chore: bump mypy from 0.910 to 1.6.1

Bumps [mypy](https://github.com/python/mypy) from 0.910 to 1.6.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v0.910...v1.6.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -12,7 +12,7 @@ flake8==3.9.2
 flake8-bugbear==21.3.2
 flake8-comprehensions==3.1.0
 isort>=5.2.1
-mypy==0.910
+mypy==1.6.1
 pre-commit>=2.9.2
 pycodestyle
 pyupgrade