chore(deps): update grafana/grafana docker tag to v12.4.0

Author: renovate[bot]

examples/example-custom-buckets/docker-compose.yaml

@@ -18,7 +18,7 @@ services:
       - --enable-feature=native-histograms
       - --config.file=/prometheus.yml
   grafana:
-    image: grafana/grafana:12.3.3@sha256:9e1e77ade304069aee3196e9a4f210830e96e80ce9a2640891eccc324b152faf
+    image: grafana/grafana:12.4.0@sha256:b0ae311af06228bcfd4a620504b653db80f5b91e94dc3dc2a5b7dab202bcde20
     network_mode: host
     volumes:
       - ./docker-compose/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/grafana-datasources.yaml

examples/example-exemplars-tail-sampling/docker-compose.yaml

@@ -59,7 +59,7 @@ services:
     command:
       - --config.file=/config.yaml
   grafana:
-    image: grafana/grafana:12.3.3@sha256:9e1e77ade304069aee3196e9a4f210830e96e80ce9a2640891eccc324b152faf
+    image: grafana/grafana:12.4.0@sha256:b0ae311af06228bcfd4a620504b653db80f5b91e94dc3dc2a5b7dab202bcde20
     network_mode: host
     ports:
       - "3000:3000"

examples/example-native-histogram/docker-compose.yaml

@@ -18,7 +18,7 @@ services:
       - --enable-feature=native-histograms
       - --config.file=/prometheus.yml
   grafana:
-    image: grafana/grafana:12.3.3@sha256:9e1e77ade304069aee3196e9a4f210830e96e80ce9a2640891eccc324b152faf
+    image: grafana/grafana:12.4.0@sha256:b0ae311af06228bcfd4a620504b653db80f5b91e94dc3dc2a5b7dab202bcde20
     network_mode: host
     volumes:
       - ./docker-compose/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/grafana-datasources.yaml