Update CHANGELOG.md (#2275)

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

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

CHANGELOG.md

@@ -23,6 +23,7 @@ Do not break established syntax in this file, as it is automatically updated by
 
 ### ✨ New Scripts
 
+- New Script: Opnsense VM [@michelroegl-brunner](https://github.com/michelroegl-brunner) ([#2097](https://github.com/community-scripts/ProxmoxVE/pull/2097))
 - New Script: Watcharr [@tremor021](https://github.com/tremor021) ([#2243](https://github.com/community-scripts/ProxmoxVE/pull/2243))
 - New Script: Suwayomi-Server [@tremor021](https://github.com/tremor021) ([#2139](https://github.com/community-scripts/ProxmoxVE/pull/2139))