Update CHANGELOG.md

Author: jpnurmi

CHANGELOG.md

@@ -13,6 +13,7 @@
 - The SDK now makes use of the new SessionEndStatus `Unhandled` when capturing an unhandled but non-terminal exception, i.e. through the UnobservedTaskExceptionIntegration ([#4633](https://github.com/getsentry/sentry-dotnet/pull/4633), [#4653](https://github.com/getsentry/sentry-dotnet/pull/4653))
 - The SDK now provides a `IsSessionActive` to allow checking the session state ([#4662](https://github.com/getsentry/sentry-dotnet/pull/4662))
 - The SDK now makes use of the new SessionEndStatus `Unhandled` when capturing an unhandled but non-terminal exception, i.e. through the UnobservedTaskExceptionIntegration ([#4633](https://github.com/getsentry/sentry-dotnet/pull/4633))
+- Add missing Activity lifecycle events on Android ([#4688](https://github.com/getsentry/sentry-dotnet/pull/4688))
 
 ### Fixes