Updates CHANGELOG:

mentions the new  feedback buttons to AI-generated Changelog feature
(#4449, #4479)

Author: sergeibbb

CHANGELOG.md

@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
   - Adds a new "Favorited Branches" option to the branches visibility dropdown on the _Commit Graph_
   - Adds _Add to Favorites_ or _Remove from Favorites_ context menu items to branches in the _Commit Graph_
   - Adds _Add to Favorites_ or _Remove from Favorites_ context menu items to worktrees in the views
+- Adds 👍 "Helpful" and 👎 "Unhelpful" feedback buttons to AI-generated Changelog ([#4449](https://github.com/gitkraken/vscode-gitlens/issues/4449))
 
 ### Changed