chore(deps): update docker.io/pihole/pihole docker tag to v2025.11.1

library/compose/pihole/compose.yaml.j2

@@ -1,7 +1,7 @@
 ---
 services:
   {{ service_name }}:
-    image: docker.io/pihole/pihole:2025.11.0
+    image: docker.io/pihole/pihole:2025.11.1
     {#
       If not in swarm mode, check whether container_name is set and apply restart policy,
       else swarm mode handles restarts via deploy.restart_policy