chore(deps): bump mypy from 0.971 to 0.991 (#103)

Bumps [mypy](https://github.com/python/mypy) from 0.971 to 0.991.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.971...v0.991)

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

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

@@ -19,7 +19,7 @@
     "flake8==5.0.4",
     "black==22.10.0",
     "isort==5.10.1",
-    "mypy==0.971",
+    "mypy==0.991",
 ]
 
 test_requirements = [