Remove Ming from auto assignee

[reasonerjt]

Thanks @qiuming-best for your contribution!

Please indicate you've done the following:

• [x] Accepted the DCO. Commits without the DCO will delay acceptance.
• [x] Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• [ ] Updated the corresponding documentation in site/content/docs/main.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 58.79%. Comparing base (b9b21b5) to head (d9ea253).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #7881 +/- ## ======================================= Coverage 58.79% 58.79% ======================================= Files 345 345 Lines 28765 28765 ======================================= Hits 16913 16913 Misses 10423 10423 Partials 1429 1429 ```

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