Update CHANGELOG.md (#9888)

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

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

CHANGELOG.md

@@ -24,6 +24,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🔧 Refactor
 
+    - Syncthing: Various fixes [@tremor021](https://github.com/tremor021) ([#9872](https://github.com/community-scripts/ProxmoxVE/pull/9872))
     - Sonarr: Fix standard [@tremor021](https://github.com/tremor021) ([#9874](https://github.com/community-scripts/ProxmoxVE/pull/9874))
     - Refactor: Snipe-IT [@tremor021](https://github.com/tremor021) ([#9876](https://github.com/community-scripts/ProxmoxVE/pull/9876))
     - Technitium DNS: Various fixes [@tremor021](https://github.com/tremor021) ([#9863](https://github.com/community-scripts/ProxmoxVE/pull/9863))