Bump mypy from 1.12.0 to 1.12.1 in the dependencies group (#622)

Bumps the dependencies group with 1 update: [mypy](https://github.com/python/mypy).


Updates `mypy` from 1.12.0 to 1.12.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.12.0...v1.12.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]