Update CHANGELOG.md

Author: github-actions[bot]

CHANGELOG.md

@@ -16,6 +16,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - bookstack: add setup_composer in update [@MickLesk](https://github.com/MickLesk) ([#5935](https://github.com/community-scripts/ProxmoxVE/pull/5935))
     - Quickfix: Immich: revert install sequence [@vhsdream](https://github.com/vhsdream) ([#5932](https://github.com/community-scripts/ProxmoxVE/pull/5932))
 
   - #### ✨ New Features