chore(deps): update grafana/grafana docker tag to v11.6.0 (#3539)

* chore(deps): update grafana/grafana docker tag to v11.6.0

* Update app version [skip ci]

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-action update-app-version <githubaction@githubaction.com>

grafana/11.6.0/docker-compose.yml

@@ -1,7 +1,7 @@
 services:
   grafana:
     container_name: ${CONTAINER_NAME}
-    image: grafana/grafana:11.5.2
+    image: grafana/grafana:11.6.0
     restart: always
     user: '0'
     networks: