sourcemanager(ticdc): close all pullers asyncrhonsly to prevent block too long

[3AceShowHand]

What problem does this PR solve?

Issue Number: close #11638

What is changed and how it works?

• close all pullers asyncronsly

Before this PR, all pullers close in order, one by one, each takes around 0.03 ~ 0.05s, if there are a lot of tables, it would takes a long time.

The following log shows that close 1000 tables takes 50 seconds.

["All pullers have been closed"] [namespace=default] [changefeed=blackhole-test-2] [cost=51.169607168s]

After the PR, the time cost is depend on the slowest table puller, around 0 ~ 2 seconds.

[manager.go:179] ["All pullers have been closed"] [namespace=default] [changefeed=blackhole-test-2] [cost=2.137702035s]

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

fix the puller resource not closed in time

[3AceShowHand]

/retest

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please ask for approval from 3aceshowhand, ensuring that each of them provides their approval before proceeding. For more information see the Code Review Process.

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

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[3AceShowHand]

/retest

[3AceShowHand]

/retest