Update changelog

Author: ipavlidakis

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### 🐞 Fixed
 - Fix a retain cycle that was causing StreamVideo to leak in projects using NoiseCancellation. [#814](https://github.com/GetStream/stream-video-swift/pull/814)
+- Fix occasional crash caused inside `MicrophoneChecker`. [#813](https://github.com/GetStream/stream-video-swift/pull/813)
 
 # [1.22.2](https://github.com/GetStream/stream-video-swift/releases/tag/1.22.2)
 _May 13, 2025_