Updates changelog with #2179

CHANGELOG.md

@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Fixed
 
+- Fixes [#2179](https://github.com/gitkraken/vscode-gitlens/issues/2179) - Commit Graph content not displayed
 - Fixes regression with _Contributors_ view not working
 
 ## [12.2.0] - 2022-08-30