config: sync store config in time (#6919)

[ti-chi-bot]

This is an automated cherry-pick of #6919

What problem does this PR solve?

Issue Number: Close #6918

What is changed and how does it work?

add timeout context for observer tikv config to avoid wait too long

Check List

Tests

• Unit test

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch

Release note

sync store config in time

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AndreMouche

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[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

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[codecov]

Codecov Report

Attention: Patch coverage is 76.19048% with 5 lines in your changes missing coverage. Please review.

Project coverage is 75.44%. Comparing base (a2f526d) to head (be8d521).
Report is 7 commits behind head on release-6.1.

Files with missing lines	Patch %	Lines
server/config/store_config.go	50.00%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-6.1    #6931      +/-   ##
===============================================
- Coverage        75.51%   75.44%   -0.08%     
===============================================
  Files              308      308              
  Lines            30604    30619      +15     
===============================================
- Hits             23111    23100      -11     
- Misses            5492     5510      +18     
- Partials          2001     2009       +8     

Flag	Coverage Δ
unittests	75.44% <76.19%> (-0.08%)	⬇️

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[AndreMouche]

/LGTM

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-13 07:33:32.018084016 +0000 UTC m=+600881.758507947: ☑️ agreed by rleungx.
• 2024-09-13 07:37:22.673784359 +0000 UTC m=+601112.414208298: ☑️ agreed by lhy1024.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AndreMouche, HuSharp, lhy1024, niubell, rleungx

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Needs approval from an approver in each of these files:

• OWNERS [AndreMouche,HuSharp,lhy1024,rleungx]
• server/config/OWNERS [niubell]

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