chore(deps): update helm release grafana to v8.13.2

Author: renovate[bot]

apps/core-services/grafana/base/kustomization.yaml

@@ -8,5 +8,5 @@ helmCharts:
   - name: grafana
     releaseName: grafana
     repo: https://grafana.github.io/helm-charts
-    version: 8.12.0
+    version: 8.13.2
     valuesFile: grafana_values.yaml