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:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Pipfile

@@ -17,7 +17,7 @@ pytest-cov = "==4.1.0"
 mock = "==5.1.0"
 ruff = "==0.3.1"
 types-setuptools = "==69.1.0.20240308"
-mypy = "==1.8.0"
+mypy = "==1.9.0"
 types-mock = "==5.1.0.20240311"
 tbump = "==6.11.0"
 rstcheck = "==6.2.0"