chore(dev): update dependency mypy to v1.8.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	==1.7.1 -> ==1.8.0

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Release Notes

python/mypy (mypy)

v1.8.0

Compare Source

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ef6731f) 77.9% compared to head (3831a8a) 77.9%.

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #177   +/-   ##
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  Coverage    77.9%   77.9%           
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  Files          14      14           
  Lines         934     934           
======================================
  Hits          728     728           
  Misses        206     206           

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