chore: Add commit_patterns to changelog config, remove auto-labeler

[sentrivana]

Description

Adapting to the new commit_patterns changelog generation feature in Craft: https://github.com/getsentry/craft?tab=readme-ov-file#changelog-policies

Issues

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.92%. Comparing base (254f618) to head (cba05ae).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@ Coverage Diff @@## master #5176 +/- ## ========================================== - Coverage 83.95% 83.92% -0.03%  ========================================== Files 181 181 Lines 18340 18340 Branches 3260 3260 ========================================== - Hits 15397 15392 -5 - Misses 1937 1943 +6 + Partials 1006 1005 -1 

see 4 files with indirect coverage changes