Update CHANGELOG.md (#5538)

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

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

CHANGELOG.md

@@ -20,6 +20,7 @@ All LXC instances created using this repository come pre-installed with Midnight
 
   - #### 🐞 Bug Fixes
 
+    - Ollama: Clean up old Ollama files before running update [@tremor021](https://github.com/tremor021) ([#5534](https://github.com/community-scripts/ProxmoxVE/pull/5534))
     - ONLYOFFICE: Update install script to manually create RabbitMQ user [@tremor021](https://github.com/tremor021) ([#5535](https://github.com/community-scripts/ProxmoxVE/pull/5535))
 
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