Merge pull request #7069 from Countly/changelog-for-retention-fix-master

Update CHANGELOG.md

Author: pnrgenc

CHANGELOG.md

@@ -2,6 +2,10 @@
 Fixes:
 - [core] fixes for changeOwner script
 
+Enterprise Fixes:
+- [retention_segments] Adding null check for breakdown filtering
+
+
 Enterprise Fixes:
 - [data-masking] Correctly dealing with unexpected filter on event_data collection while masking
 - [profile-groups] Error handling on missing list on failed profile group report download