Implement runAsGroup validation check

[ropatil010]

Hi Team,

Just Tryin on this task: https://issues.redhat.com/browse/CNTRLPLANE-1909

[openshift-ci-robot]

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[openshift-ci]

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[openshift-ci]

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[openshift-ci]

@ropatil010: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/okd-scos-e2e-aws-ovn	5e93601	link	false	/test okd-scos-e2e-aws-ovn

Full PR test history. Your PR dashboard.

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[ropatil010]

/unhold

[ropatil010]

/assign @JoelSpeed @everettraven @haircommander
PTAL - ready for review

[everettraven]

This is adding new fields to an existing v1 API. In general, this means that they need to be introduced behind a new feature gate and go through the standard feature promotion process.