Update dependency mypy to v1.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	==1.4.0 -> ==1.4.1

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Release Notes

python/mypy (mypy)

### [`v1.4.1`](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1) [Compare Source](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1)

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Configuration

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