Fix CHANGELOG.

CHANGELOG

@@ -14,13 +14,9 @@ v 8.11.4
   - Block concurrent updates for Pipeline
   - Don't create groups for unallowed users when importing projects
   - Fix issue boards leak private label names and descriptions
-
-v 8.11.3
-
-v 8.11.4 (unreleased)
   - Fix broken gitlab:backup:restore because of bad permissions on repo storage !6098 (Dirk Hörner)
 
-v 8.11.3 (unreleased)
+v 8.11.3
   - Allow system info page to handle case where info is unavailable
   - Label list shows all issues (opened or closed) with that label
   - Don't show resolve conflicts link before MR status is updated