⬆️ Update grafana/grafana Docker tag to v11.3.0

Author: Renovate Bot

docker/grafana/docker-compose.yml

@@ -14,7 +14,7 @@ services:
       - grafana
 
   grafana:
-    image: grafana/grafana:11.2.3
+    image: grafana/grafana:11.3.0
     container_name: grafana
     ports:
       - 3000:3000