*: split into multiple runner for heartbeat

[rleungx]

What problem does this PR solve?

Issue Number: Ref #7897

What is changed and how does it work?

Check List

Tests

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

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JmPotato
• nolouch

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[codecov]

Codecov Report

Attention: Patch coverage is 95.34884% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 77.37%. Comparing base (b41c897) to head (d7993dc).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8130      +/-   ##
==========================================
- Coverage   77.38%   77.37%   -0.01%     
==========================================
  Files         471      471              
  Lines       61361    61348      -13     
==========================================
- Hits        47485    47469      -16     
- Misses      10305    10309       +4     
+ Partials     3571     3570       -1     

Flag	Coverage Δ
unittests	77.37% <95.34%> (-0.01%)	⬇️

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

[nolouch]

lgtm

[JmPotato]

Do we need to distinguish between the task names of info and debug?

[rleungx]

done

[rleungx]

/merge

[ti-chi-bot]

@rleungx: 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: a66b33e

[rleungx]

/merge

[ti-chi-bot]

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

/run-all-tests

You only need to trigger /merge once, and 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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[ti-chi-bot]

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

Commit hash: e7e7c8b

[ti-chi-bot]

@rleungx: 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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