gh-101100: Fix Sphinx warnings in whatsnew/2.3.rst

[hugovk]

Same rationale as #112351.

Fix 166 Sphinx warnings:

❯ SPHINXERRORHANDLING=-n PATH=./venv/bin:$PATH sphinx-build -b html -d build/doctrees -j auto -n . build/html whatsnew/2.3.rst 2>&1| grep 2.3.rst | tee >(wc -l)Doc/whatsnew/2.3.rst:43: WARNING: py:mod reference target not found: setsDoc/whatsnew/2.3.rst:43: WARNING: py:class reference target not found: ImmutableSetDoc/whatsnew/2.3.rst:43: WARNING: py:class reference target not found: ImmutableSetDoc/whatsnew/2.3.rst:66: WARNING: py:meth reference target not found: unionDoc/whatsnew/2.3.rst:66: WARNING: py:meth reference target not found: intersectionDoc/whatsnew/2.3.rst:66: WARNING: py:meth reference target not found: union_updateDoc/whatsnew/2.3.rst:66: WARNING: py:meth reference target not found: intersection_updateDoc/whatsnew/2.3.rst:86: WARNING: py:meth reference target not found: symmetric_difference_updateDoc/whatsnew/2.3.rst:100: WARNING: py:meth reference target not found: issubsetDoc/whatsnew/2.3.rst:100: WARNING: py:meth reference target not found: issupersetDoc/whatsnew/2.3.rst:169: WARNING: py:func reference target not found: generate_intsDoc/whatsnew/2.3.rst:230: WARNING: py:func reference target not found: findDoc/whatsnew/2.3.rst:344: WARNING: py:func reference target not found: os.getcwduDoc/whatsnew/2.3.rst:384: WARNING: py:meth reference target not found: readDoc/whatsnew/2.3.rst:391: WARNING: py:func reference target not found: execfileDoc/whatsnew/2.3.rst:453: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:453: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:453: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:453: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:453: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:481: WARNING: py:meth reference target not found: setLevelDoc/whatsnew/2.3.rst:486: WARNING: py:func reference target not found: warningDoc/whatsnew/2.3.rst:490: WARNING: py:func reference target not found: exceptionDoc/whatsnew/2.3.rst:519: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:519: WARNING: py:attr reference target not found: propagateDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: LoggerDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: LogRecordDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: HandlerDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: LogRecordDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: LogRecordDoc/whatsnew/2.3.rst:523: WARNING: py:class reference target not found: FormatterDoc/whatsnew/2.3.rst:552: WARNING: py:mod reference target not found: __builtin__Doc/whatsnew/2.3.rst:664: WARNING: py:func reference target not found: setupDoc/whatsnew/2.3.rst:705: WARNING: py:mod reference target not found: ihooksDoc/whatsnew/2.3.rst:705: WARNING: py:mod reference target not found: imputilDoc/whatsnew/2.3.rst:705: WARNING: py:mod reference target not found: iuDoc/whatsnew/2.3.rst:712: WARNING: py:mod reference target not found: iuDoc/whatsnew/2.3.rst:793: WARNING: py:func reference target not found: readerDoc/whatsnew/2.3.rst:817: WARNING: py:mod reference target not found: cPickleDoc/whatsnew/2.3.rst:830: WARNING: py:attr reference target not found: __safe_for_unpickling__Doc/whatsnew/2.3.rst:836: WARNING: py:meth reference target not found: __getstate__Doc/whatsnew/2.3.rst:836: WARNING: py:meth reference target not found: __setstate__Doc/whatsnew/2.3.rst:836: WARNING: py:meth reference target not found: __getnewargs__Doc/whatsnew/2.3.rst:939: WARNING: py:meth reference target not found: indicesDoc/whatsnew/2.3.rst:1044: WARNING: py:mod reference target not found: newDoc/whatsnew/2.3.rst:1072: WARNING: py:meth reference target not found: xreadlinesDoc/whatsnew/2.3.rst:1072: WARNING: py:meth reference target not found: xreadlinesDoc/whatsnew/2.3.rst:1072: WARNING: py:attr reference target not found: encodingDoc/whatsnew/2.3.rst:1093: WARNING: py:func reference target not found: sys.getcheckintervalDoc/whatsnew/2.3.rst:1101: WARNING: py:attr reference target not found: __class__Doc/whatsnew/2.3.rst:1140: WARNING: py:meth reference target not found: findDoc/whatsnew/2.3.rst:1143: WARNING: py:meth reference target not found: stripDoc/whatsnew/2.3.rst:1143: WARNING: py:meth reference target not found: lstripDoc/whatsnew/2.3.rst:1143: WARNING: py:meth reference target not found: rstripDoc/whatsnew/2.3.rst:1159: WARNING: py:meth reference target not found: startswithDoc/whatsnew/2.3.rst:1159: WARNING: py:meth reference target not found: endswithDoc/whatsnew/2.3.rst:1162: WARNING: py:meth reference target not found: zfillDoc/whatsnew/2.3.rst:1162: WARNING: py:meth reference target not found: zfillDoc/whatsnew/2.3.rst:1162: WARNING: py:meth reference target not found: zfillDoc/whatsnew/2.3.rst:1176: WARNING: py:class reference target not found: basestringDoc/whatsnew/2.3.rst:1176: WARNING: py:class reference target not found: basestringDoc/whatsnew/2.3.rst:1194: WARNING: py:meth reference target not found: sortDoc/whatsnew/2.3.rst:1206: WARNING: py:func reference target not found: xrangeDoc/whatsnew/2.3.rst:1233: WARNING: py:mod reference target not found: bsddbDoc/whatsnew/2.3.rst:1237: WARNING: py:mod reference target not found: bsddb185Doc/whatsnew/2.3.rst:1237: WARNING: py:mod reference target not found: bsddbDoc/whatsnew/2.3.rst:1237: WARNING: py:mod reference target not found: bsddb3Doc/whatsnew/2.3.rst:1237: WARNING: py:mod reference target not found: bsddbDoc/whatsnew/2.3.rst:1256: WARNING: py:class reference target not found: ExtensionDoc/whatsnew/2.3.rst:1256: WARNING: py:class reference target not found: ExtensionDoc/whatsnew/2.3.rst:1270: WARNING: 'envvar' reference target not found: CPPDoc/whatsnew/2.3.rst:1275: WARNING: py:func reference target not found: DocTestSuiteDoc/whatsnew/2.3.rst:1283: WARNING: py:func reference target not found: gnu_getoptDoc/whatsnew/2.3.rst:1314: WARNING: py:func reference target not found: heappushDoc/whatsnew/2.3.rst:1314: WARNING: py:func reference target not found: heappopDoc/whatsnew/2.3.rst:1343: WARNING: py:func reference target not found: predicateDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: getpgidDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: killpgDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: lchownDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: loadavgDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: majorDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: makedevDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: minorDoc/whatsnew/2.3.rst:1359: WARNING: py:func reference target not found: mknodDoc/whatsnew/2.3.rst:1365: WARNING: py:func reference target not found: *statDoc/whatsnew/2.3.rst:1369: WARNING: py:class reference target not found: stat_resultDoc/whatsnew/2.3.rst:1369: WARNING: py:func reference target not found: os.stat_float_timesDoc/whatsnew/2.3.rst:1394: WARNING: py:mod reference target not found: linuxaudiodevDoc/whatsnew/2.3.rst:1405: WARNING: py:mod reference target not found: pyexpatDoc/whatsnew/2.3.rst:1405: WARNING: py:attr reference target not found: buffer_textDoc/whatsnew/2.3.rst:1410: WARNING: py:class reference target not found: xrangeDoc/whatsnew/2.3.rst:1410: WARNING: py:func reference target not found: sampleDoc/whatsnew/2.3.rst:1438: WARNING: py:func reference target not found: get_history_itemDoc/whatsnew/2.3.rst:1438: WARNING: py:func reference target not found: get_current_history_lengthDoc/whatsnew/2.3.rst:1438: WARNING: py:func reference target not found: redisplayDoc/whatsnew/2.3.rst:1442: WARNING: py:mod reference target not found: rexecDoc/whatsnew/2.3.rst:1442: WARNING: py:mod reference target not found: BastionDoc/whatsnew/2.3.rst:1442: WARNING: py:mod reference target not found: rexecDoc/whatsnew/2.3.rst:1442: WARNING: py:mod reference target not found: rexecDoc/whatsnew/2.3.rst:1448: WARNING: py:mod reference target not found: rexecDoc/whatsnew/2.3.rst:1448: WARNING: py:mod reference target not found: rexecDoc/whatsnew/2.3.rst:1452: WARNING: py:mod reference target not found: rotorDoc/whatsnew/2.3.rst:1477: WARNING: c:macro reference target not found: PYTHON_API_VERSIONDoc/whatsnew/2.3.rst:1477: WARNING: py:func reference target not found: sys.exc_clearDoc/whatsnew/2.3.rst:1484: WARNING: py:func reference target not found: fillDoc/whatsnew/2.3.rst:1484: WARNING: py:func reference target not found: wrapDoc/whatsnew/2.3.rst:1506: WARNING: py:class reference target not found: TextWrapperDoc/whatsnew/2.3.rst:1506: WARNING: py:class reference target not found: TextWrapperDoc/whatsnew/2.3.rst:1506: WARNING: py:func reference target not found: wrapDoc/whatsnew/2.3.rst:1506: WARNING: py:func reference target not found: fillDoc/whatsnew/2.3.rst:1512: WARNING: py:mod reference target not found: threadDoc/whatsnew/2.3.rst:1512: WARNING: py:mod reference target not found: dummy_threadDoc/whatsnew/2.3.rst:1512: WARNING: py:mod reference target not found: dummy_threadingDoc/whatsnew/2.3.rst:1512: WARNING: py:mod reference target not found: threadDoc/whatsnew/2.3.rst:1524: WARNING: py:mod reference target not found: _threadingDoc/whatsnew/2.3.rst:1524: WARNING: py:mod reference target not found: _threadingDoc/whatsnew/2.3.rst:1532: WARNING: py:func reference target not found: strptimeDoc/whatsnew/2.3.rst:1532: WARNING: py:func reference target not found: strptimeDoc/whatsnew/2.3.rst:1538: WARNING: py:class reference target not found: TimerDoc/whatsnew/2.3.rst:1538: WARNING: py:func reference target not found: unicodeDoc/whatsnew/2.3.rst:1561: WARNING: py:mod reference target not found: TkinterDoc/whatsnew/2.3.rst:1561: WARNING: py:mod reference target not found: TkinterDoc/whatsnew/2.3.rst:1561: WARNING: py:mod reference target not found: TkinterDoc/whatsnew/2.3.rst:1572: WARNING: py:mod reference target not found: _tkinterDoc/whatsnew/2.3.rst:1572: WARNING: py:class reference target not found: _tkinter.Tcl_ObjDoc/whatsnew/2.3.rst:1572: WARNING: py:meth reference target not found: wantobjectsDoc/whatsnew/2.3.rst:1572: WARNING: py:class reference target not found: tkappDoc/whatsnew/2.3.rst:1578: WARNING: py:mod reference target not found: _tkinterDoc/whatsnew/2.3.rst:1578: WARNING: py:mod reference target not found: TkinterDoc/whatsnew/2.3.rst:1583: WARNING: py:attr reference target not found: wantobjectsDoc/whatsnew/2.3.rst:1583: WARNING: py:mod reference target not found: TkinterDoc/whatsnew/2.3.rst:1583: WARNING: py:class reference target not found: tkappDoc/whatsnew/2.3.rst:1592: WARNING: py:mod reference target not found: UserDictDoc/whatsnew/2.3.rst:1592: WARNING: py:class reference target not found: DictMixinDoc/whatsnew/2.3.rst:1598: WARNING: py:meth reference target not found: __setitem__Doc/whatsnew/2.3.rst:1598: WARNING: py:meth reference target not found: __delitem__Doc/whatsnew/2.3.rst:1598: WARNING: py:meth reference target not found: keysDoc/whatsnew/2.3.rst:1641: WARNING: py:meth reference target not found: toxmlDoc/whatsnew/2.3.rst:1641: WARNING: py:meth reference target not found: toprettyxmlDoc/whatsnew/2.3.rst:1645: WARNING: py:mod reference target not found: xmlrpclibDoc/whatsnew/2.3.rst:1645: WARNING: py:class reference target not found: MarshallerDoc/whatsnew/2.3.rst:1651: WARNING: py:mod reference target not found: DocXMLRPCServerDoc/whatsnew/2.3.rst:1664: WARNING: py:mod reference target not found: httplibDoc/whatsnew/2.3.rst:1664: WARNING: py:mod reference target not found: httplibDoc/whatsnew/2.3.rst:1685: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1685: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1685: WARNING: py:class reference target not found: timedeltaDoc/whatsnew/2.3.rst:1685: WARNING: py:class reference target not found: tzinfoDoc/whatsnew/2.3.rst:1692: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1692: WARNING: py:meth reference target not found: date.todayDoc/whatsnew/2.3.rst:1710: WARNING: py:meth reference target not found: replaceDoc/whatsnew/2.3.rst:1710: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1720: WARNING: py:meth reference target not found: isoformatDoc/whatsnew/2.3.rst:1720: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1720: WARNING: py:class reference target not found: timedeltaDoc/whatsnew/2.3.rst:1720: WARNING: py:class reference target not found: dateDoc/whatsnew/2.3.rst:1742: WARNING: py:class reference target not found: OptionParserDoc/whatsnew/2.3.rst:1756: WARNING: py:meth reference target not found: parse_argsDoc/whatsnew/2.3.rst:1927: WARNING: py:attr reference target not found: __module__Doc/whatsnew/2.3.rst:1940: WARNING: py:func reference target not found: forkDoc/whatsnew/2.3.rst:2001: WARNING: py:attr reference target not found: f_linenoDoc/whatsnew/2.3.rst:2006: WARNING: py:attr reference target not found: f_linenoDoc/whatsnew/2.3.rst:2034: WARNING: py:mod reference target not found: _tkinterDoc/whatsnew/2.3.rst:2034: WARNING: py:class reference target not found: _tkinter.Tcl_ObjDoc/whatsnew/2.3.rst:2052: WARNING: py:func reference target not found: setupDoc/whatsnew/2.3.rst:2052: WARNING: py:func reference target not found: get_distutil_options 166

• Issue: Fix all Sphinx reference warnings in the documentation #101100

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📚 Documentation preview 📚: https://cpython-previews--112373.org.readthedocs.build/

[miss-islington-app]

Thanks @hugovk for the PR 🌮🎉.. I'm working now to backport this PR to: 3.11, 3.12.
🐍🍒⛏🤖

[miss-islington-app]

Sorry, @hugovk, I could not cleanly backport this to 3.12 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker 961f1043a022ddeff314f63480a232335a598d6a 3.12 

[miss-islington-app]

Sorry, @hugovk, I could not cleanly backport this to 3.11 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker 961f1043a022ddeff314f63480a232335a598d6a 3.11 

[bedevere-app]

GH-113142 is a backport of this pull request to the 3.12 branch.

[bedevere-app]

GH-113143 is a backport of this pull request to the 3.11 branch.