Bump mypy from 1.8.0 to 1.9.0 (#8898)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/test.txt

@@ -8,7 +8,7 @@ pytest-order==1.2.0
 boto3>=1.26.143
 moto>=4.1.11,<5.1.0
 # typing extensions
-mypy==1.8.0; platform_python_implementation=="CPython"
+mypy==1.9.0; platform_python_implementation=="CPython"
 pre-commit>=3.5.0,<3.6.0; python_version < '3.9'
 pre-commit>=3.6.1; python_version >= '3.9'
 -r extras/yaml.txt