chore(deps): update helm release grafana to v9.4.4

Author: renovate[bot]

kustomize/grafana/kustomization.yaml

@@ -6,7 +6,7 @@ namespace: monitoring
 helmCharts:
   - name: grafana
     repo: https://grafana.github.io/helm-charts
-    version: 9.3.2
+    version: 9.4.4
     releaseName: grafana
     namespace: monitoring
     valuesFile: values.yaml