Update CHANGELOG.md (#7219)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: community-scripts-pr-app[bot]

CHANGELOG.md

@@ -12,6 +12,10 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 ## 2025-08-26
 
+### 🆕 New Scripts
+
+  - PBS: Upgrade Script for v4 [@MickLesk](https://github.com/MickLesk) ([#7214](https://github.com/community-scripts/ProxmoxVE/pull/7214))
+
 ### 🚀 Updated Scripts
 
   - Refactor: Post-PMG-Script [@MickLesk](https://github.com/MickLesk) ([#7212](https://github.com/community-scripts/ProxmoxVE/pull/7212))