Bump mypy from 1.8.0 to 1.9.0

Bumps [mypy](https://github.com/python/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)

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

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

requirements-test.txt

@@ -2,7 +2,7 @@
 flake8==7.0.0
 pytest==8.1.1
 pytest_asyncio==0.23.5.post1
-mypy==1.8.0
+mypy==1.9.0
 types-setuptools==69.1.0.20240310
 twisted==24.3.0
 playwright==1.42.0