Update CHANGELOG

CHANGELOG

@@ -19,15 +19,14 @@ v 8.10.0 (unreleased)
 v 8.9.3 (unreleased)
   - Decreased min width of screen to 1280px for pinned sidebar
   - Fix encrypted data backwards compatibility after upgrading attr_encrypted gem
+v 8.9.3
+  - Update mobile button icons to be more inline with typical UI paradigms
 v 8.9.2
   - Fix visibility of snippets when searching.
   - Fix an information disclosure when requesting access to a group containing private projects.
   - Update omniauth-saml to 1.6.0 !4951
-v 8.9.1
-  - Update mobile button icons to be more inline with typical UI paradigms
-
 v 8.9.1
   - Refactor labels documentation. !3347
   - Eager load award emoji on notes. !4628