chore(grafana-dashboards): update dashboard kubernetes / system / api server ( 19 → 21 )

Author: parsec-renovate[bot]

kubernetes/apps/observability/grafana/app/helmrelease.yaml

@@ -198,7 +198,7 @@ spec:
         kubernetes-api-server:
           # renovate: depName="Kubernetes / System / API Server"
           gnetId: 15761
-          revision: 19
+          revision: 21
           datasource: Prometheus
         kubernetes-coredns:
           # renovate: depName="Kubernetes / System / CoreDNS"