Update CHANGELOG.md (#5512)

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

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

CHANGELOG.md

@@ -16,6 +16,12 @@ All LXC instances created using this repository come pre-installed with Midnight
 
 ## 2025-06-27
 
+### 🧰 Maintenance
+
+  - #### 📂 Github
+
+    - New workflow to push to gitea and change links to gitea [@michelroegl-brunner](https://github.com/michelroegl-brunner) ([#5510](https://github.com/community-scripts/ProxmoxVE/pull/5510))
+
 ## 2025-06-26
 
 ### 🆕 New Scripts