Update CHANGELOG.md (#9599)

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

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

CHANGELOG.md

@@ -23,6 +23,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - Open-webui add .env backup and restore functionality from older versions [@DrDonoso](https://github.com/DrDonoso) ([#9592](https://github.com/community-scripts/ProxmoxVE/pull/9592))
     - Booklore: Downgrad Java from 25 to 21 [@Pr0mises](https://github.com/Pr0mises) ([#9566](https://github.com/community-scripts/ProxmoxVE/pull/9566))
 
   - #### ✨ New Features