Bump mypy from 0.931 to 0.942 (#601)

Bumps [mypy](https://github.com/python/mypy) from 0.931 to 0.942.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](https://github.com/python/mypy/compare/v0.931...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>

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

pyproject.toml

@@ -94,7 +94,7 @@ flake8-functions = "^0.0.6"
 flake8-expression-complexity = "^0.0.9"
 
 # types
-mypy = "^0.931"
+mypy = "^0.942"
 types-ujson = "^4.2.0"
 types-PyMySQL = "^1.0.6"
 types-ipaddress = "^1.0.1"