Update CHANGELOG

CHANGELOG

@@ -12,6 +12,8 @@ v 8.3.0
   - Add button to automatically merge a merge request when the build succeeds (Zeger-Jan van de Weg)
   - Provide better diagnostic message upon project creation errors (Stan Hu)
   - Bump devise to 3.5.3 to fix reset token expiring after account creation (Stan Hu)
+  - Remove api credentials from link to build_page
+  - Deprecate GitLabCiService making it to always be inactive
   - Bump gollum-lib to 4.1.0 (Stan Hu)
   - Fix broken group avatar upload under "New group" (Stan Hu)
   - Update project repositorize size and commit count during import:repos task (Stan Hu)