Update CHANGELOG.md (#6008)

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
 
+    - 2FAuth: Improve Update-Check [@MickLesk](https://github.com/MickLesk) ([#5998](https://github.com/community-scripts/ProxmoxVE/pull/5998))
     - checkmk: change password crawling based on there docs [@MickLesk](https://github.com/MickLesk) ([#6001](https://github.com/community-scripts/ProxmoxVE/pull/6001))
 
   - #### 💥 Breaking Changes