chore(deps): bump lock_api from 0.4.1 to 0.4.6 in /micro-judge

Bumps [lock_api](https://github.com/Amanieu/parking_lot) from 0.4.1 to 0.4.6.
- [Release notes](https://github.com/Amanieu/parking_lot/releases)
- [Changelog](https://github.com/Amanieu/parking_lot/blob/master/CHANGELOG.md)
- [Commits](Amanieu/parking_lot@lock_api-0.4.1...lock_api-0.4.6)

---
updated-dependencies:
- dependency-name: lock_api
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>