Bump mypy from 1.6.1 to 1.7.1

Bumps [mypy](https://github.com/python/mypy) from 1.6.1 to 1.7.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.6.1...v1.7.1)

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

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

Author: dependabot[bot]

requirements_dev.txt

@@ -1,6 +1,6 @@
 coverage==6.5.0
 coveralls==3.3.1
-mypy==1.6.1
+mypy==1.7.1
 pytest==7.4.3
 pytest-cov==4.1.0
 pytest-mypy==0.10.3