api: add audit log for pprof

[CabinfeverB]

What problem does this PR solve?

Issue Number: ref #4480

What is changed and how does it work?

Check List

Tests

• Manual test (add detailed scripts or steps below)
  

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:

• HuSharp
• rleungx

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[codecov]

Codecov Report

Merging #7250 (6bc6bf0) into master (1899f41) will increase coverage by 0.07%.
Report is 2 commits behind head on master.
The diff coverage is 90.90%.

❗ Current head 6bc6bf0 differs from pull request most recent head 99a4ef7. Consider uploading reports for the commit 99a4ef7 to get more accurate results

@@            Coverage Diff             @@
##           master    #7250      +/-   ##
==========================================
+ Coverage   74.35%   74.43%   +0.07%     
==========================================
  Files         446      446              
  Lines       48159    48198      +39     
==========================================
+ Hits        35810    35874      +64     
+ Misses       9191     9165      -26     
- Partials     3158     3159       +1     

Flag	Coverage Δ
unittests	74.43% <90.90%> (+0.07%)	⬆️

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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: 6bc6bf0

[ti-chi-bot]

@CabinfeverB: Your PR was out of date, I have automatically updated it for you.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.

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 ti-community-infra/tichi repository.