[grafana] reduce k8s limit (#1040) #2137

Job	Run time
Test charts	5m 11s
Helm Chart Install Sanity (coredns-updater)	7s
Helm Chart Install Sanity (dcgm-exporter)	5s
Helm Chart Install Sanity (dex-crds)	5s
Helm Chart Install Sanity (empty)	5s
Helm Chart Install Sanity (fuse-csi-driver)	4s
Helm Chart Install Sanity (gpu-feature-discovery)	6s
Helm Chart Install Sanity (iguazio-system)	9s
Helm Chart Install Sanity (mpi-operator)	5s
Helm Chart Install Sanity (node-feature-discovery)	5s
Helm Chart Install Sanity (pod-gpu-metrics-exporter)	5s
Helm Chart Install Sanity (prebaked-registry)	5s
Helm Chart Install Sanity (provazio)	5s
Helm Chart Install Sanity (pvc)	3s
Helm Chart Install Sanity (scaler)	4s
Helm Chart Install Sanity (spark-operator)	4s
Helm Chart Install Sanity (tenant)	3s
Helm Chart Install Sanity (tenant-creator)	5s
Helm Chart Install Sanity (tensorboard)	3s
Helm Chart Install Sanity (v3io-configs)	5s
Helm Chart Install Sanity (v3io-webapi)	5s
Helm Chart Install Sanity (v3iod)	4s
	6m 53s

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