[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci[bot]]

updates:

• github.com/asottile/pyupgrade: v2.37.2 → v2.37.3
• github.com/PyCQA/flake8: 4.0.1 → 5.0.4

[codecov[bot]]

Codecov Report

Merging #3 (a2243cc) into main (14b9e63) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##              main        #3   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines           92        92           
=========================================
  Hits            92        92