resource_control: allow configuration of the maximum retry time for the local bucket (#8352)

[nolouch]

What problem does this PR solve?

Issue Number: Close #8349

What is changed and how does it work?

resource_control: allow configuration of the maximum retry time for the local bucket
- Added config `ltb-token-rpc-max-delay`
- Increased default max delay from 500ms to 1s

Check List

Tests

• Unit test
• Integration test

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]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: HuSharp, JmPotato
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Needs approval from an approver in each of these files:

• OWNERS [HuSharp,JmPotato]
• client/resource_group/controller/OWNERS
• pkg/mcs/resourcemanager/server/OWNERS

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-04 09:36:48.235789812 +0000 UTC m=+1489934.721278645: ☑️ agreed by JmPotato.
• 2024-07-04 09:51:53.5543717 +0000 UTC m=+1490840.039860531: ☑️ agreed by HuSharp.