sinkv2(ticdc): add mq worker flush duration metric

[Rustin170506]

What problem does this PR solve?

Issue Number: ref #5928

What is changed and how it works?

add mq worker flush duration metric.

Check List

Tests

Please check out http://10.2.6.161:3000/d/YiGL8hBZ16546546/test-cluster-ticdc54354353?orgId=1&refresh=1m

Questions

Will it cause performance regression or break compatibility?

No

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

No

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• hicqu
• nongfushanquan

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[hicqu]

tiflow/metrics/grafana/ticdc.json

Line 7579 in 2cc30ae

"title": "Kafka Outgong Bytes",

Should be Outgoing.

[codecov-commenter]

Codecov Report

Merging #7263 (2cc30ae) into master (d8fff7a) will increase coverage by 0.0402%.
The diff coverage is 68.7103%.

Additional details and impacted files

Flag	Coverage Δ
cdc	67.2083% <81.4516%> (-0.0073%)	⬇️
dm	51.8779% <42.5000%> (+0.0404%)	⬆️
engine	61.0193% <66.9902%> (+0.1612%)	⬆️

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

@@               Coverage Diff                @@
##             master      #7263        +/-   ##
================================================
+ Coverage   59.6043%   59.6446%   +0.0402%     
================================================
  Files           790        790                
  Lines         91089      91165        +76     
================================================
+ Hits          54293      54375        +82     
+ Misses        32051      32035        -16     
- Partials       4745       4755        +10     

[Rustin170506]

Kafka Outgong Bytes

God catch! Thanks!

[Rustin170506]

/merge

[ti-chi-bot]

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

Commit hash: e15682c

[ti-chi-bot]

@hi-rustin: Your PR was out of date, I have automatically updated it for you.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

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