Bump the development-dependencies group with 4 updates

Bumps the development-dependencies group with 4 updates: [pytest](https://github.com/pytest-dev/pytest), [mypy](https://github.com/python/mypy), [types-requests](https://github.com/python/typeshed) and [black](https://github.com/psf/black).


Updates `pytest` from 8.0.0 to 8.1.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.0.0...8.1.1)

Updates `mypy` from 1.8.0 to 1.9.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.8.0...1.9.0)

Updates `types-requests` from 2.31.0.20240125 to 2.31.0.20240311
- [Commits](https://github.com/python/typeshed/commits)

Updates `black` from 24.1.1 to 24.2.0
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@24.1.1...24.2.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
- dependency-name: types-requests
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: black
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
...

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