Adds a CHANGELOG note about "feedback on AI" buttons

(#4449, #4475)

Author: sergeibbb

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 - Adds support for using natural language to search for commits on the _Commit Graph_, _Search & Compare_ view, and in the _Search Commits_ command using AI ([#4471](https://github.com/gitkraken/vscode-gitlens/issues/4471))
 - Adds support for time-based commit searches on the _Commit Graph_, _Search & Compare_ view, and in the _Search Commits_ command
+- Adds dedicated "Helpful" and "Not helpful" feedback toolbar buttons to AI-generated markdown previews such as Commit Composer, Explain Changes ([#4449](https://github.com/gitkraken/vscode-gitlens/issues/4449))
 
 ### Changed