Update kube-node-decommissioner CronJob concurrencyPolicy to Replace

[zaklawrencea]

Update the kube-node-decommissioner CronJob to concurrencyPolicy: Replace

Replace: If it is time for a new Job run and the previous Job run hasn't finished yet, the CronJob replaces the currently running Job run with a new Job run

https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/#concurrency-policy

We have seen the pod landing on a node and becoming stuck in Terminating state itself. With this change in policy, a new pod should run and allow the kube-node-decommissioner to continue to work.

[zaklawrencea]

👍

[demonCoder95]

👍