Update CHANGELOG.md (#11628)

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

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

CHANGELOG.md

@@ -414,6 +414,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### ✨ New Features
 
+    - Immich: pin to v2.5.5 [@vhsdream](https://github.com/vhsdream) ([#11598](https://github.com/community-scripts/ProxmoxVE/pull/11598))
     - Shelfmark: remove Chromedriver dep, add URL_BASE env [@vhsdream](https://github.com/vhsdream) ([#11619](https://github.com/community-scripts/ProxmoxVE/pull/11619))
 
   - #### 🔧 Refactor