Bump grafana/grafana-oss from 12.3.1 to 12.4.0

Bumps grafana/grafana-oss from 12.3.1 to 12.4.0.

---
updated-dependencies:
- dependency-name: grafana/grafana-oss
  dependency-version: 12.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docker-compose.yml

@@ -18,7 +18,7 @@ services:
     networks:
       - mesh-bridge
   grafana:
-    image: grafana/grafana-oss:12.3.1
+    image: grafana/grafana-oss:12.4.0
     restart: unless-stopped
     volumes:
       - grafana_data:/var/lib/grafana