resource_control: dynamically change the controller config (#7042)

[ti-chi-bot]

This is an automated cherry-pick of #7042

What problem does this PR solve?

Issue Number: Close #7043

What is changed and how does it work?

resource_control: supports dynamically change the controller config 
- supports dynamically changing the controller config
- export the `maxWaitDuration` for the local bucket limiter.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

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:

• CabinfeverB
• nolouch

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[codecov]

Codecov Report

Attention: 107 lines in your changes are missing coverage. Please review.

Comparison is base (0b048b1) 74.93% compared to head (06d80ef) 74.86%.

Files	Patch %	Lines
client/resource_group/controller/controller.go	60.58%	41 Missing and 13 partials ⚠️
pkg/mcs/resource_manager/server/manager.go	53.65%	12 Missing and 7 partials ⚠️
client/meta_storage_client.go	37.50%	7 Missing and 3 partials ⚠️
pkg/mcs/resource_manager/server/apis/v1/api.go	43.75%	6 Missing and 3 partials ⚠️
client/resource_group/controller/util.go	42.85%	6 Missing and 2 partials ⚠️
client/resource_manager_client.go	50.00%	3 Missing and 2 partials ⚠️
client/resource_group/controller/testutil.go	0.00%	1 Missing ⚠️
server/grpc_service.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-7.1    #7495      +/-   ##
===============================================
- Coverage        74.93%   74.86%   -0.08%     
===============================================
  Files              409      410       +1     
  Lines            41366    41513     +147     
===============================================
+ Hits             30998    31077      +79     
- Misses            7658     7699      +41     
- Partials          2710     2737      +27     

Flag	Coverage Δ
unittests	74.86% <59.46%> (-0.08%)	⬇️

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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: 06d80ef