Feat: add support sleep container lifecycle

[akuzia]

Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

none

Description

This PR aims to provide missing implementation for sleep in lifecycle hooks.
https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#hook-handler-implementations

I'm not sure what resources need updated doc, so documentation might be changed as maintainers see fit

Acceptance tests

• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccXXX'

...

Release Note

Release note for CHANGELOG:

added container lifecycle hook sleep handler support

References

#2837

Community Note

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[hashicorp-cla-app]

All committers have signed the CLA.