chore: Add THIRD_PARTY_NOTICES.md for vendored third-party code (#5186)

* chore: Add THIRD_PARTY_NOTICES.md for vendored third-party code

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: Add changelog entry for THIRD_PARTY_NOTICES.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Fix changelog section name

* Update CHANGELOG.md

Co-authored-by: Roman Zavarnitsyn <rom4ek93@gmail.com>

* chore: Bundle THIRD_PARTY_NOTICES.md in sentry JAR under META-INF

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Roman Zavarnitsyn <rom4ek93@gmail.com>

Author: 3 people

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Features
 
 - Android: Attachments on the scope will now be synced to native ([#5211](https://github.com/getsentry/sentry-java/pull/5211))
+- Add THIRD_PARTY_NOTICES.md for vendored third-party code, bundled as SENTRY_THIRD_PARTY_NOTICES.md in the sentry JAR under META-INF ([#5186](https://github.com/getsentry/sentry-java/pull/5186))
 
 ## 8.37.1