[release-4.20] Promote BYO OIDC features

[liouk]

This is a manual regeneration and backport of #2454.

Respective approved SBAR: https://docs.google.com/presentation/d/1MrqVU10UYBHNvCu5XrybHejHcqLRf1zsedCYv1hlZVQ/edit?slide=id.g37f5a0492ea_0_0#slide=id.g37f5a0492ea_0_0

[openshift-ci]

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[openshift-ci]

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[everettraven]

This should not merge until the 4.20 branch is open for z-stream backports.

/hold

[everettraven]

/assign

[openshift-ci]

@liouk: The following tests 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/verify-feature-promotion	88a5beb	link	true	/test verify-feature-promotion
ci/prow/e2e-aws-ovn-hypershift	88a5beb	link	true	/test e2e-aws-ovn-hypershift

Full PR test history. Your PR dashboard.

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