Update dependency mypy to v1.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mypy (source, changelog)	1.11.2 -> 1.12.0

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Release Notes

python/mypy (mypy)

v1.12.0

Compare Source

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.73%. Comparing base (d39e818) to head (ddaaecf).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #269   +/-   ##
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  Coverage   99.73%   99.73%           
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  Files          15       15           
  Lines         377      377           
=======================================
  Hits          376      376           
  Misses          1        1           

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