feat(container): update image ghcr.io/grafana/helm-charts/grafana-operator ( v5.18.0 → v5.19.0 )

| datasource | package                                      | from    | to      |
| ---------- | -------------------------------------------- | ------- | ------- |
| docker     | ghcr.io/grafana/helm-charts/grafana-operator | v5.18.0 | v5.19.0 |

Author: renovate[bot]

kubernetes/core/grafana-operator/source.yml

@@ -10,5 +10,5 @@ spec:
     mediaType: application/vnd.cncf.helm.chart.content.v1.tar+gzip
     operation: copy
   ref:
-    tag: v5.18.0
+    tag: v5.19.0
   url: oci://ghcr.io/grafana/helm-charts/grafana-operator