Merge pull request #1955 from openshift-cherrypick-robot/cherry-pick-1915-to-release-4.20

OCPBUGS-64689: Add priority field to prevent early shutdown

Author: openshift-merge-bot[bot]

bindata/assets/kube-apiserver/pod.yaml

@@ -288,6 +288,7 @@ spec:
       readOnlyRootFilesystem: true
   terminationGracePeriodSeconds: {{.GracefulTerminationDuration}}
   hostNetwork: true
+  priority: 2000001000
   priorityClassName: system-node-critical
   tolerations:
   - operator: "Exists"