Update CHANGELOG.md (#7509)

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

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

CHANGELOG.md

@@ -16,6 +16,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - PLANKA: Fix backup and restore commands [@tremor021](https://github.com/tremor021) ([#7505](https://github.com/community-scripts/ProxmoxVE/pull/7505))
     - Recyclarr: Suppress config creation output [@tremor021](https://github.com/tremor021) ([#7502](https://github.com/community-scripts/ProxmoxVE/pull/7502))
 
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