Update CHANGELOG.md for 8.13.4

[ci skip]

CHANGELOG.md

@@ -2,6 +2,13 @@ Please view this file on the master branch, on stable branches it's out of date.
 
 ## 8.13.4
 
+- Fix showing pipeline status for a given commit from correct branch. !7034
+- Only skip group when it's actually a group in the "Share with group" select. !7262
+- Introduce round-robin project creation to spread load over multiple shards. !7266
+- Ensure merge request's "remove branch" accessors return booleans. !7267
+- Ensure external users are not able to clone disabled repositories.
+- Fix XSS issue in Markdown autolinker.
+- Respect event visibility in Gitlab::ContributionsCalendar.
 - Honour issue and merge request visibility in their respective finders.
 - Disable reference Markdown for unavailable features.
 - Fix lightweight tags not processed correctly by GitTagPushService. !6532

changelogs/unreleased/23403-fix-events-for-private-project-features.yml

----
-title: Respect event visibility in Gitlab::ContributionsCalendar
-merge_request: 
-author: 

changelogs/unreleased/23961-can-t-share-project-with-groups.yml

----
-title: Only skip group when it's actually a group in the "Share with group" select
-merge_request: 7262
-author: 

changelogs/unreleased/24059-round-robin-repository-storage.yml

----
-title: Introduce round-robin project creation to spread load over multiple shards
-merge_request: 7266
-author: 

changelogs/unreleased/24102-cannot-unselect-remove-source-branch-when-editing-merge-request.yml

----
-title: Ensure merge request's "remove branch" accessors return booleans
-merge_request: 7267
-author:

changelogs/unreleased/fix-unathorized-cloning.yml

----
-title: Ensure external users are not able to clone disabled repositories.
-merge_request: 
-author: 

changelogs/unreleased/markdown-xss-fix-option-2-1.yml

----
-title: Fix XSS issue in Markdown autolinker
-merge_request: 
-author: 

changelogs/unreleased/show-status-from-branch.yml

----
-title: Fix showing pipeline status for a given commit from correct branch
-merge_request: 7034
-author: