build(deps): bump grafana/grafana-oss from 11.6.0 to 12.4.0 in /realtime-analytics [skip ci]

Bumps grafana/grafana-oss from 11.6.0 to 12.4.0.
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Author: mergify[bot]

realtime-analytics/docker-compose.yml

@@ -12,7 +12,7 @@ services:
       retries: 20
       start_period: 10s
   grafana:
-    image: grafana/grafana-oss:11.6.0
+    image: grafana/grafana-oss:12.4.0
     ports:
       - "3000:3000"
     environment: