checker: fix unhealth region skip the rule check (#6427)

[ti-chi-bot]

This is an automated cherry-pick of #6427

What problem does this PR solve?

Issue Number: Close #6426

What is changed and how does it work?

allow the `schedule=deny` label can do rule constraints check

Check List

Tests

• Unit test
• Integration test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• bufferflies
• nolouch

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[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.07 🎉

Comparison is base (827ded0) 74.94% compared to head (45dc8ac) 75.02%.

❗ Current head 45dc8ac differs from pull request most recent head ce8d9be. Consider uploading reports for the commit ce8d9be to get more accurate results

Additional details and impacted files

@@               Coverage Diff               @@
##           release-7.1    #6431      +/-   ##
===============================================
+ Coverage        74.94%   75.02%   +0.07%     
===============================================
  Files              408      408              
  Lines            40628    40633       +5     
===============================================
+ Hits             30450    30486      +36     
+ Misses            7512     7493      -19     
+ Partials          2666     2654      -12     

Flag	Coverage Δ
unittests	75.02% <100.00%> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/schedule/operator_controller.go	86.51% <ø> (-1.74%)	⬇️
server/cluster/cluster.go	81.52% <ø> (-0.16%)	⬇️
pkg/schedule/checker/checker_controller.go	80.00% <100.00%> (+2.47%)	⬆️
pkg/schedule/metrics.go	100.00% <100.00%> (ø)
server/cluster/coordinator.go	72.81% <100.00%> (-0.35%)	⬇️

... and 33 files with indirect coverage changes

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[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 45dc8ac

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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