update docs for deletion_protection

[oliviassss]

Issue

Description

Update the related documentations for the deletion_protection check regarding the PR #2172.

Test:

Verified the documentation rendering and format.

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the docs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟

[k8s-ci-robot]

Hi @oliviassss. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

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/test-infra repository.

[codecov-commenter]

Codecov Report

Merging #2181 (bb06ea5) into main (b382a94) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2181   +/-   ##
=======================================
  Coverage   52.29%   52.29%           
=======================================
  Files         132      132           
  Lines        7234     7234           
=======================================
  Hits         3783     3783           
  Misses       3157     3157           
  Partials      294      294           

---

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[kishorj]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kishorj, oliviassss

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• OWNERS [kishorj]

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