changelog: Add entry for checkCanRecord deadlock fix (#5837)

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

Author: romtsn

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 ### Fixes
 
+- Fix potential deadlock in Session Replay when `checkCanRecord` runs on the replay executor thread ([#5837](https://github.com/getsentry/sentry-java/pull/PLACEHOLDER))
 - Release `MediaMuxer` when the replay video encoder fails to start to avoid a resource leak ([#5607](https://github.com/getsentry/sentry-java/pull/5607))
 
 ### Performance