Bump mypy from 1.6.1 to 1.8.0

Bumps [mypy](https://github.com/python/mypy) from 1.6.1 to 1.8.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.6.1...v1.8.0)

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

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

requirements-dev.txt

@@ -3,7 +3,7 @@ black==23.12.1
 flake8==6.1.0
 interrogate==1.5.0
 isort==5.12.0
-mypy==1.6.1
+mypy==1.8.0
 pre-commit==3.5.0
 pytest==7.4.4
 pytest-benchmark==4.0.0