fix(container): update image ghcr.io/grafana/helm-charts/grafana-operator ( 5.21.3 ➔ 5.21.4 )

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This PR contains the following updates:

Package	Update	Change
ghcr.io/grafana/helm-charts/grafana-operator	patch	5.21.3 → 5.21.4

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--- kubernetes/apps/observability/grafana/app Kustomization: observability/grafana OCIRepository: observability/grafana-operator

+++ kubernetes/apps/observability/grafana/app Kustomization: observability/grafana OCIRepository: observability/grafana-operator

@@ -10,9 +10,9 @@

 spec:
   interval: 15m
   layerSelector:
     mediaType: application/vnd.cncf.helm.chart.content.v1.tar+gzip
     operation: copy
   ref:
-    tag: 5.21.3
+    tag: 5.21.4
   url: oci://ghcr.io/grafana/helm-charts/grafana-operator
 

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--- HelmRelease: observability/grafana-operator Deployment: observability/grafana-operator

+++ HelmRelease: observability/grafana-operator Deployment: observability/grafana-operator

@@ -33,13 +33,13 @@

           allowPrivilegeEscalation: false
           capabilities:
             drop:
             - ALL
           readOnlyRootFilesystem: true
           runAsNonRoot: true
-        image: ghcr.io/grafana/grafana-operator:v5.21.3
+        image: ghcr.io/grafana/grafana-operator:v5.21.4
         imagePullPolicy: IfNotPresent
         env:
         - name: WATCH_NAMESPACE
           value: null
         - name: WATCH_NAMESPACE_SELECTOR
           value: ''