Update Helm release grafana to v7.3.11 (#347)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

apps/grafana/base/kustomization.yaml

@@ -5,7 +5,7 @@ helmCharts:
   - name: grafana
     includeCRDs: true
     releaseName: grafana
-    version: 7.3.10
+    version: 7.3.11
     repo: https://grafana.github.io/helm-charts
     valuesInline:
       fullnameOverride: grafana