Update CHANGELOG.

CHANGELOG

@@ -53,11 +53,6 @@ v 7.10.0 (unreleased)
   - Fix admin user projects lists.
   - Don't leak private group existence by redirecting from namespace controller to group controller.
 
-v 7.9.0
-  - Send EmailsOnPush email when branch or tag is created or deleted.
-  - Faster merge request processing for large repository
-  - Prevent doubling AJAX request with each commit visit via Turbolink
-  - Prevent unnecessary doubling of js events on import pages and user calendar
 v 7.9.2
   - Contains no changes
 
@@ -149,6 +144,10 @@ v 7.9.0
   - Fix invalid Atom feeds when using emoji, horizontal rules, or images (Christian Walther)
   - Backup of repositories with tar instead of git bundle (only now are git-annex files included in the backup)
   - Add canceled status for CI
+  - Send EmailsOnPush email when branch or tag is created or deleted.
+  - Faster merge request processing for large repository
+  - Prevent doubling AJAX request with each commit visit via Turbolink
+  - Prevent unnecessary doubling of js events on import pages and user calendar
 
 v 7.8.4
   - Fix issue_tracker_id substitution in custom issue trackers