Release v2.3.1 (Test Auto-Update)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "HPS Vorlagen & Signaturen",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Vorlagen- und Signaturverwaltung für Hotel Park Soltau mit Git-Sync",
   "browser_specific_settings": {
     "gecko": {