[WIP]: Add blog for kep-3721

[HirazawaUi]

Description

Add a blog for KEP-3721

Relate: kubernetes/enhancements#3721

Issue

Closes: #

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[aibarbetta]

Hi @ajaysundark @HirazawaUi 👋 this is Agus from the v1.34 Communications Team!

@ajaysundark as author of #51428, I'd like you to be a writing buddy for @HirazawaUi on this PR.

Please:

• Review this PR, paying attention to the guidelines and review hints
• Update your own PR based on any best practices you identify that should be applied
• Remember to be compassionate with your fellow article author

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign natalisucks for approval. For more information see the 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:

• OWNERS
• content/en/blog/OWNERS
• content/en/docs/OWNERS

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