[WIP] Introducing Sleep Action for PreStop Hook

[AxeZhan]

This is a place holder for KEP 3960 kubernetes/enhancements#3960 (comment)

[k8s-ci-robot]

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[sftim]

/hold

This isn't part of Kubernetes v1.28

[gracenng]

/milestone clear

[k8s-ci-robot]

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[AxeZhan]

This kep will be tracked in 1.29, I'll create another one in the next release.

[AxeZhan]

/close

[k8s-ci-robot]

@AxeZhan: Closed this PR.

In response to this:

/close

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