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] <support@github.com>

requirements-test.txt

@@ -4,7 +4,7 @@ asynctest~=0.13
 colorlog~=6.8
 flake8~=7.0
 flake8-docstrings~=1.7
-mypy==1.8.0
+mypy==1.9.0
 pylint~=3.1
 pylint-strict-informational==0.1
 pytest>=7.2