Storageversion API for aggregated apiserver

[richabanker]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Adds an integration test to verify that aggregated apiservers are able to write storage versions

Which issue(s) this PR fixes:

Fixes #kubernetes/enhancements#2339

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

[k8s-ci-robot]

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[k8s-ci-robot]

@richabanker: 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	986c5ae	link	false	/test pull-kubernetes-linter-hints
pull-kubernetes-verify-lint	986c5ae	link	false	/test pull-kubernetes-verify-lint

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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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Richabanker
Once this PR has been reviewed and has the lgtm label, please assign sttts for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• cmd/kube-apiserver/OWNERS
• pkg/controlplane/OWNERS
• staging/src/k8s.io/apiextensions-apiserver/OWNERS
• staging/src/k8s.io/apiserver/OWNERS
• staging/src/k8s.io/kube-aggregator/OWNERS
• staging/src/k8s.io/sample-apiserver/OWNERS
• test/OWNERS

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[k8s-ci-robot]

PR needs rebase.

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