docs: Add changelog entry for duplicated breadcrumbs fix

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

Author: antonis

CHANGELOG.md

@@ -22,6 +22,7 @@
 
 - Fix native frames measurements being dropped due to race condition ([#5813](https://github.com/getsentry/sentry-react-native/pull/5813))
 - Fix app start data lost when first navigation transaction is discarded ([#5833](https://github.com/getsentry/sentry-react-native/pull/5833))
+- Fix duplicated breadcrumbs on Android ([#5841](https://github.com/getsentry/sentry-react-native/pull/5841))
 
 ### Dependencies