Update CHANGELOG.md

Author: turtledreams

CHANGELOG.md

@@ -1,5 +1,5 @@
 ## XX.XX.XX
-- Events are automatically packed on user properties now.
+- Mitigated an issue where cached events were not queued when a user property was recorded.
 
 ## 23.2.3
 - Mitigated an issue where the new device ID was used when ending a session if device ID was changed without merging.