⬆️ Bump mypy from 0.790 to 0.800 (#232)

Bumps [mypy](https://github.com/python/mypy) from 0.790 to 0.800.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.790...v0.800)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -3,7 +3,7 @@ coverage==5.3.1
 flake8==3.8.4
 flake8-docstrings==1.5.0
 isort==5.7.0
-mypy==0.790
+mypy==0.800
 pylint==2.6.0
 pytest==6.2.1
 pytest-asyncio==0.14.0