chore: sync template versions with image updates

library/compose/pihole/template.yaml

@@ -17,9 +17,9 @@ metadata:
     - **Project:** https://pi-hole.net/
     - **Documentation:** https://docs.pi-hole.net/
     - **GitHub:** https://github.com/pi-hole/pi-hole
-  version: 2025.11.0
+  version: 2025.11.1
   author: Christian Lempa
-  date: '2025-11-05'
+  date: '2025-12-11'
   tags:
     - traefik
     - swarm