changefeed(ticdc): add metrics to track lag distribution

[3AceShowHand]

What problem does this PR solve?

Issue Number: ref #4757

What is changed and how it works?

add latency duration percentile monitoring

Check List

Tests

• Manual test (add detailed scripts or steps below)

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

`None`.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• asddongmen
• sdojjy

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[codecov-commenter]

Codecov Report

Merging #7032 (d386683) into master (9398176) will decrease coverage by 0.0313%.
The diff coverage is 60.1227%.

Additional details and impacted files

Flag	Coverage Δ
dm	51.8375% <50.0000%> (-0.1104%)	⬇️
engine	62.3398% <60.0000%> (+0.0776%)	⬆️

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

@@               Coverage Diff                @@
##             master      #7032        +/-   ##
================================================
- Coverage   59.8253%   59.7939%   -0.0314%     
================================================
  Files           791        790         -1     
  Lines         90221      90566       +345     
================================================
+ Hits          53975      54153       +178     
- Misses        31498      31647       +149     
- Partials       4748       4766        +18     

[3AceShowHand]

/merge

[ti-chi-bot]

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

Commit hash: d386683

[ti-chi-bot]

@3AceShowHand: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

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.

[3AceShowHand]

/run-kafka-integration-test