Update dependency mypy to ^0.942

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	^0.910 -> ^0.942

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Release Notes

python/mypy

v0.942

Compare Source

v0.941

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v0.940

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v0.931

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v0.930

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v0.921

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v0.920

Compare Source

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Configuration

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