chore(deps): update docker.io/grafana/grafana-oss docker tag to v11.6.0

docker-compose/grafana/compose.yaml

@@ -4,7 +4,7 @@ volumes:
     driver: local
 services:
   grafana:
-    image: docker.io/grafana/grafana-oss:11.5.3
+    image: docker.io/grafana/grafana-oss:11.6.0
     container_name: grafana
     ports:
       - "3000:3000"