fix: Fix changelog config

[sentrivana]

Fix and simplify our changelog config. We weren't escaping parentheses properly (it needs two backslashes).

• get rid of all but Changelog: labels
• match on the word boundary of the first word of the commit message and ignore scope completely since it's not relevant

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]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
29716	1	29715	2318

View the top 1 failed test(s) by shortest run time

tests.integrations.sanic.test_sanic::test_transactions[test_config4]

Stack Traces | 0.158s run time

.../integrations/sanic/test_sanic.py:419: in test_transactions with c as client: ^ .tox/py3.12-sanic-v25.3.0/lib/python3.12........./site-packages/sanic_testing/reusable.py:65: in __enter__ self.run() .tox/py3.12-sanic-v25.3.0/lib/python3.12........./site-packages/sanic_testing/reusable.py:77: in run self._server = self._run(self._server_co) ^^^^^^^^^^^^^^^^^^^^^^^^^^ .tox/py3.12-sanic-v25.3.0/lib/python3.12........./site-packages/sanic_testing/reusable.py:198: in _run return self._loop.run_until_complete(coro) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ .../hostedtoolcache/Python/3.12.12....../x64/lib/python3.12/asyncio/base_events.py:691: in run_until_complete return future.result() ^^^^^^^^^^^^^^^ .tox/py3.12-sanic-v25.3.0/lib/python3.12.../sanic/mixins/startup.py:604: in create_server return await serve( .tox/py3.12-sanic-v25.3.0/lib/python3.12.../sanic/server/async_server.py:113: in __await__ self.server = task.result() ^^^^^^^^^^^^^ .../hostedtoolcache/Python/3.12.12....../x64/lib/python3.12/asyncio/base_events.py:1584: in create_server raise OSError(err.errno, msg) from None E OSError: [Errno 98] error while attempting to bind on address ('127.0.0.1', 48706): [errno 98] address already in use

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