docs(changelog): Update entry for installGroupsOverride feature

Split the combined changelog entry to properly attribute the
installGroupsOverride parameter to this PR (#5066) and separate
it from the installGroups property added in PR #5062.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: runningcode

CHANGELOG.md

@@ -4,7 +4,8 @@
 
 ### Features
 
-- Add `installGroupsOverride` parameter and `installGroups` property to Build Distribution SDK ([#5062](https://github.com/getsentry/sentry-java/pull/5062))
+- Add `installGroupsOverride` parameter to Build Distribution SDK for programmatic filtering, with support for configuration via properties file using `io.sentry.distribution.install-groups-override` ([#5066](https://github.com/getsentry/sentry-java/pull/5066))
+- Add `installGroups` property to Build Distribution SDK ([#5062](https://github.com/getsentry/sentry-java/pull/5062))
 - Update Android targetSdk to API 36 (Android 16) ([#5016](https://github.com/getsentry/sentry-java/pull/5016))
 - Add AndroidManifest support for Spotlight configuration via `io.sentry.spotlight.enable` and `io.sentry.spotlight.url` ([#5064](https://github.com/getsentry/sentry-java/pull/5064))