Build(deps): Bump mypy from 1.6.1 to 1.7.0 (aio-libs#527)

Bumps [mypy](https://github.com/python/mypy) from 1.6.1 to 1.7.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.6.1...v1.7.0)

---
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/ci.txt

@@ -1,5 +1,5 @@
 setuptools-git==1.2
-mypy==1.6.1; implementation_name=="cpython"
+mypy==1.7.0; implementation_name=="cpython"
 mypy-extensions==1.0.0; implementation_name=="cpython"
 
 -r ci-wheel.txt