dm/checker: fix connection typo

[GMHDBJD]

What problem does this PR solve?

Issue Number: close #12736

Fix a typo in a DM precheck description: connetion should be connection.

What is changed and how it works?

Correct the spelling in the connection concurrency precheck description.

Check List

Tests

• Unit test

Questions

Will it cause performance regression or break compatibility?

No.

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

No.

Release note

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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Details

Needs approval from an approver in each of these files:

• dm/OWNERS

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[gemini-code-assist]

Code Review

This pull request fixes a typo in the connection number checker's description, correcting 'connetion' to 'connection'. There are no review comments, and I have no feedback to provide.

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[ti-chi-bot]

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

Test name	Commit	Details	Required	Rerun command
pull-dm-integration-test	e001ffa	link	true	/test pull-dm-integration-test

Full PR test history. Your PR dashboard.

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