chore: sync template versions with image updates

library/compose/authentik/template.yaml

@@ -14,9 +14,9 @@ metadata:
     Documentation: https://goauthentik.io/docs/
 
     GitHub: https://github.com/goauthentik/authentik
-  version: 2025.6.3
+  version: 2025.6.4
   author: Christian Lempa
-  date: '2025-09-28'
+  date: '2025-10-31'
   tags:
     - authentication
   next_steps: |