Validate kubelet serving cert CN via host rewrite and DialTLSContext

[enj]

/kind feature
/triage accepted
/sig auth
/milestone v1.34

TODO

TODO

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: enj
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[k8s-ci-robot]

@enj: 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
pull-kubernetes-linter-hints	fd49b05	link	false	/test pull-kubernetes-linter-hints
pull-kubernetes-unit	fd49b05	link	true	/test pull-kubernetes-unit
pull-kubernetes-e2e-kind-ipv6	fd49b05	link	true	/test pull-kubernetes-e2e-kind-ipv6
pull-kubernetes-conformance-kind-ga-only-parallel	fd49b05	link	true	/test pull-kubernetes-conformance-kind-ga-only-parallel
pull-kubernetes-e2e-kind	fd49b05	link	true	/test pull-kubernetes-e2e-kind
pull-kubernetes-integration	fd49b05	link	true	/test pull-kubernetes-integration
pull-kubernetes-verify	fd49b05	link	true	/test pull-kubernetes-verify

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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