dm: upload tidb log for upstream switch test

[GMHDBJD]

What problem does this PR solve?

Issue Number: close #4287

What is changed and how it works?

Check List

Tests

• 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

None

[ti-chi-bot]

@GMHDBJD: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
jenkins-ticdc/verify	07d39d8	link	true	/test verify
pull-dm-integration-test	07d39d8	link	true	/test dm-integration-test

Full PR test history. Your PR dashboard.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lance6716

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• OWNERS [lance6716]
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-09 04:14:03.344569416 +0000 UTC m=+239033.433371960: ☑️ agreed by lance6716.

[GMHDBJD]

/hold after found the root cause of #11811