build(deps): bump mypy from 1.4.1 to 1.7.1 in /requirements (#1080)

Bumps [mypy](https://github.com/python/mypy) from 1.4.1 to 1.7.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.4.1...v1.7.1)

---
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/typing.txt

@@ -1 +1 @@
-mypy ==1.4.1
+mypy ==1.7.1