build(deps): bump mypy from 1.18.2 to 1.19.0 in /requirements (#21394)

Bumps [mypy](https://github.com/python/mypy) from 1.18.2 to 1.19.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python/mypy/compare/v1.18.2...v1.19.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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