build(deps-dev): Bump mypy from 0.930 to 0.942

Bumps [mypy](https://github.com/python/mypy) from 0.930 to 0.942.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.930...v0.942)

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

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

setup.cfg

@@ -35,7 +35,7 @@ tests =
     pytest-cov==3.0.0
     pytest-mock==3.6.1
     pylint==2.12.2
-    mypy==0.930
+    mypy==0.942
     pytest-test-utils>=0.0.6
 dev =
     %(tests)s