chore(deps): update mypy requirement from ~=0.812 to ~=0.910 (#616)

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.812...v0.910)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
...

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Pipfile

@@ -25,4 +25,4 @@ pylint = "~=2.10"
 astroid = "~=2.7"
 isort = "~=5.8"
 
-mypy = "~=0.812"
+mypy = "~=0.910"