[cp-2790] Fix gc max wait time

[shiyuhang0]

What problem does this PR solve?

cp #2790

What is changed and how it works?

Check List

Tests

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to update the tidb-ansible repository
• Need to be included in the release note

[zhexuany]

@shiyuhang0 If this is a cherry-pick commit, maybe better attribute the original PR in this cherry-pick PR.

[shiyuhang0]

@shiyuhang0 If this is a cherry-pick commit, maybe better attribute the original PR in this cherry-pick PR.

sure, will do it

[shiyuhang0]

/run-all-tests tidb=release-6.5 tikv=release-6.5 pd=release-6.5

[shiyuhang0]

/run-all-tests tidb=release-6.5 tikv=release-6.5 pd=release-6.5

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-08 13:54:43.445022262 +0000 UTC m=+967838.865235266: ☑️ agreed by zhangyangyu.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: zhangyangyu
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