[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• github.com/pre-commit/mirrors-mypy: v0.910-1 → v0.920

[codecov]

Codecov Report

Merging #137 (5ddcbdf) into main (ea30ac9) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #137   +/-   ##
=======================================
  Coverage   80.60%   80.60%           
=======================================
  Files          17       17           
  Lines         887      887           
=======================================
  Hits          715      715           
  Misses        172      172           

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