build(deps): bump mypy[mypyc] from 1.7.0 to 1.7.1 (#773)

Bumps [mypy[mypyc]](https://github.com/python/mypy) from 1.7.0 to 1.7.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.7.0...v1.7.1)

---
updated-dependencies:
- dependency-name: mypy[mypyc]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

mypy-requirements.txt

@@ -1,4 +1,4 @@
-mypy[mypyc]==1.7.0  # update pyproject.toml as well
+mypy[mypyc]==1.7.1  # update pyproject.toml as well
 black>=19.10b0
 types-requests
 types-dataclasses