KEP-4580: Update KEP status to implementable

[HirazawaUi]

• One-line PR description: Update KEP status to implementable

• Issue link: https://github.com/kubernetes/enhancements/issues/4580

• Other comments:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: HirazawaUi Once this PR has been reviewed and has the lgtm label, please assign dchen1107 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:

• keps/sig-node/OWNERS

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment

[HirazawaUi]

/cc @dchen1107 @mrunalp

[HirazawaUi]

ping @dchen1107 @mrunalp @soltysh

[aojea]

cc @tallclair

[HirazawaUi]

/close

[k8s-ci-robot]

@HirazawaUi: Closed this PR.

In response to this:

/close

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.