Update CHANGELOG.md (#5537)

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

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

CHANGELOG.md

@@ -16,6 +16,12 @@ All LXC instances created using this repository come pre-installed with Midnight
 
 ## 2025-06-28
 
+### 🚀 Updated Scripts
+
+  - #### 🐞 Bug Fixes
+
+    - ONLYOFFICE: Update install script to manually create RabbitMQ user [@tremor021](https://github.com/tremor021) ([#5535](https://github.com/community-scripts/ProxmoxVE/pull/5535))
+
 ### 🌐 Website
 
   - #### 📝 Script Information