Update CHANGELOG.md (#12450)

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

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

CHANGELOG.md

@@ -416,6 +416,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - Sparkyfitness: use pnpm [@tomfrenzel](https://github.com/tomfrenzel) ([#12445](https://github.com/community-scripts/ProxmoxVE/pull/12445))
     - OpenArchiver: Fix installation [@tremor021](https://github.com/tremor021) ([#12447](https://github.com/community-scripts/ProxmoxVE/pull/12447))
 
 ## 2026-02-28