Update pre-commit and actions/cache

[zhiqwang]

• Bump actions/cache from 2 to 3 #370
• [pre-commit.ci] pre-commit autoupdate #371

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[codecov]

Codecov Report

Merging #372 (c17d9f2) into main (6576f6c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #372   +/-   ##
=======================================
  Coverage   98.58%   98.58%           
=======================================
  Files          11       11           
  Lines         778      778           
=======================================
  Hits          767      767           
  Misses         11       11           

Flag	Coverage Δ
unittests	98.58% <ø> (ø)

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