Change git to https in pre-commit-hooks

[eyllanesc]

See https://github.blog/2021-09-01-improving-git-protocol-security-github/

[codecov]

Codecov Report

Merging #158 (9da8572) into master (0b04c8e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #158   +/-   ##
=======================================
  Coverage   92.69%   92.69%           
=======================================
  Files           2        2           
  Lines         219      219           
=======================================
  Hits          203      203           
  Misses         16       16           

Flag	Coverage Δ
pytests	92.69% <ø> (ø)

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