chore(deps): update actions/checkout digest to b4ffde6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	digest	8ade135 -> b4ffde6

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Configuration

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[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (5d5b7f1) 77.38% compared to head (ead3e4c) 77.38%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #157   +/-   ##
=======================================
  Coverage   77.38%   77.38%           
=======================================
  Files          18       18           
  Lines        1795     1795           
=======================================
  Hits         1389     1389           
  Misses        320      320           
  Partials       86       86           

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