Adapt k8s to v1.19.3. #1344

Job	Run time
ci (release)	16m 22s
ci (unit-tests)	16m 36s
ci (e2e-tests-airflow-integration)	20m 14s
ci (e2e-tests-assembly-local)	46m 2s
ci (e2e-tests-assembly-distributed)	48m 8s
ci (e2e-tests-autogenerated-helm-chart)	35m 27s
ci (e2e-tests-failover)	19m 28s
ci (e2e-tests-repartition-dask)	21m 17s
ci (e2e-tests-schedule-workflow)	19m 17s
ci (e2e-tests-schedule-workflow-without-crd)	16m 45s
ci (e2e-tests-schedule-workload)	18m 43s
ci (e2e-tests-serialize)	18m 35s
ci (e2e-tests-sidecar)	17m 31s
ci (e2e-tests-spill)	18m 1s
ci (e2e-tests-workflow)	16m 36s
ci (e2e-tests-mars-examples)	15m 49s
ci (e2e-tests-vineyardctl)	19m 23s
ci (e2e-tests-deploy-raw-backup-and-recover)	21m 44s
ci (e2e-tests-three-etcd-nodes-failover)	23m 44s
ci (e2e-tests-five-etcd-nodes-failover)	1h 14m 45s
	8h 24m 27s

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