[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci[bot]]

updates:

• github.com/PyCQA/flake8: 4.0.1 → 5.0.4

[codecov[bot]]

Codecov Report

Merging #201 (d821d78) into main (13a80d9) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #201   +/-   ##
=======================================
  Coverage   99.38%   99.38%           
=======================================
  Files          28       28           
  Lines        2785     2785           
=======================================
  Hits         2768     2768           
  Misses         17       17           

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