chore: sync template versions with image updates

library/compose/authentik/template.yaml

@@ -41,9 +41,9 @@ metadata:
     Password: {{ authentik_admin_password }}
 
     ```'
-  version: 2025.10.3
+  version: 2025.12.0
   author: Christian Lempa
-  date: '2025-12-16'
+  date: '2026-01-14'
   tags:
     - traefik
     - volume