update changelog

CHANGELOG-EE

@@ -4,15 +4,20 @@ v7.13.3
 v7.13.2
   - Merge community edition changes for version 7.13.2
+v 7.13.3
+  - Merge community edition changes for version 7.13.3
+  - Don't resend admin email to everyone if one delivery fails
+  - Added migration for removing of invalid approvers
+
 v 7.13.2
+  - Merge community edition changes for version 7.13.2
   - Fix group web hook
-  - Don't resend admin email to everyone if one delivery fails
-v7.13.1
+v 7.13.1
   - Merge community edition changes for version 7.13.1
   - Fix: "Rebase before merge" doesn't work when source branch is in the same project
-v7.13
+v 7.13
   - Fix git hook validation on initial push to master branch.
   - Reset approvals on push
   - Fix 500 error when the source project of an MR is deleted