minResolvedTS: Provide an API to fetch the store resolved_ts (#6413)

[ti-chi-bot]

This is an automated cherry-pick of #6413

What problem does this PR solve?

Issue Number: Close #6386

What is changed and how does it work?

Provide an API to fetch the store resolved_ts

Check List

Tests

• Unit test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JmPotato
• lhy1024

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Details

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[HuSharp]

@JmPotato @CabinfeverB @lhy1024 PTAL, thx!

[codecov]

Codecov Report

Patch coverage: 5.26% and project coverage change: +0.04 🎉

Comparison is base (801601f) 75.56% compared to head (3f3d986) 75.61%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-6.5    #6522      +/-   ##
===============================================
+ Coverage        75.56%   75.61%   +0.04%     
===============================================
  Files              330      330              
  Lines            33072    33091      +19     
===============================================
+ Hits             24991    25021      +30     
- Misses            5913     5914       +1     
+ Partials          2168     2156      -12     

Flag	Coverage Δ
unittests	75.61% <5.26%> (+0.04%)	⬆️

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

Impacted Files	Coverage Δ
server/api/min_resolved_ts.go	45.83% <0.00%> (-54.17%)	⬇️
server/cluster/cluster.go	81.33% <0.00%> (-0.35%)	⬇️
server/api/router.go	97.97% <100.00%> (+<0.01%)	⬆️

... and 22 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[HuSharp]

@lhy1024 Can you leave a merge label? thx!

[lhy1024]

/merge

[ti-chi-bot]

@lhy1024: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

Details

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.

[ti-chi-bot]

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

Details

Commit hash: 3f3d986