chore: use npx in pre-commit hook

[SimenB]

Purpose (TL;DR) - mandatory

See https://github.com/sinonjs/fake-timers/pull/440/files#r1032069294

https://typicode.github.io/husky/#/?id=locally-installed-binaries

[codecov]

Codecov Report

Base: 95.52% // Head: 95.52% // No change to project coverage 👍

Coverage data is based on head (8482bef) compared to base (4ffc5bc).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #457   +/-   ##
=======================================
  Coverage   95.52%   95.52%           
=======================================
  Files           2        2           
  Lines         648      648           
=======================================
  Hits          619      619           
  Misses         29       29           

Flag	Coverage Δ
unit	95.52% <ø> (ø)

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