Update CHANGELOG.md for 11.6.5

[ci skip]

CHANGELOG.md

@@ -2,6 +2,17 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 11.6.5 (2019-01-17)
+
+### Fixed (5 changes)
+
+- Add syntax highlighting to suggestion diff. !24156
+- Fix broken templated "Too many changes to show" text. !24282
+- Fix requests profiler in admin page not rendering HTML properly. !24291
+- Fix no avatar not showing in user selection box. !24346
+- Fixed diff suggestions removing dashes.
+
+
 ## 11.6.4 (2019-01-15)
 
 ### Security (1 change)

changelogs/unreleased/55945-suggested-change-highlight.yml

----
-title: Add syntax highlighting to suggestion diff
-merge_request: 24156
-author:
-type: fixed

changelogs/unreleased/sh-fix-gon-helper-avatar.yml

----
-title: Fix no avatar not showing in user selection box
-merge_request: 24346
-author:
-type: fixed

changelogs/unreleased/sh-fix-real-size-warnings.yml

----
-title: Fix broken templated "Too many changes to show" text
-merge_request: 24282
-author:
-type: fixed

changelogs/unreleased/sh-fix-request-profiles-html.yml

----
-title: Fix requests profiler in admin page not rendering HTML properly
-merge_request: 24291
-author:
-type: fixed

changelogs/unreleased/suggestion-dashes.yml

----
-title: Fixed diff suggestions removing dashes
-merge_request:
-author:
-type: fixed