ci: add prow OWNERS file for the critical files

[ti-chi-bot]

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:

What is changed and how it works:

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Notable changes

• Has configuration change
• Has HTTP API interfaces change
• Has tiproxyctl change
• Other user behavior changes

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

Summary by CodeRabbit

• Chores
  • Added ownership and approval configuration for the lib/config area.
  • Defined the designated approvers and disabled inherited ownership.

[ti-chi-bot]

[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 yangkeao for approval. For more information see the Code Review Process.
Please ensure that each of them provides their approval before proceeding.

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

Details

Needs approval from an approver in each of these files:

• OWNERS

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

[ti-chi-bot]

/hold

[pingcap-cla-assistant]

All committers have signed the CLA.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 1e8987ef-3a82-4fc6-9e09-9c9a8362d427

📥 Commits

Reviewing files that changed from the base of the PR and between e337109 and 884cb0e.

📒 Files selected for processing (1)

• lib/config/OWNERS

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The change adds a Kubernetes OWNERS file for lib/config. It disables inherited ownership and assigns approver rights for all paths to three named approvers.

Changes

Ownership configuration

Layer / File(s)	Summary
Define lib/config approvers lib/config/OWNERS	Adds no_parent_owners: true and assigns approver rights for .* to ginkgoch, likidu, and yudongusa.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 884cb

This is a localized repository ownership configuration change with no actionable merge-blocking risk remaining beyond normal checks and review.

Suggested reviewers: yangkeao, djshow832

Poem

A rabbit checks the owners’ chart
Three approvers guard each part
Parent paths stay out of sight
Local rules now point just right
Config hops with tidy feet

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description retains the template but leaves the problem summary, change details, checklist selections, and issue reference as placeholders. It does not explain the OWNERS file change.	Replace the placeholder issue reference with a valid issue link, describe the problem and the OWNERS file change, select the applicable checklist items such as No code and Has configuration change, and confirm the release note decision.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: adding a Prow OWNERS file for critical files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

• Fix all pre-merge checks with AI

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch timz/conf_owner

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