chore(deps): update actions/checkout digest to df4cb1c

[renovate-vince-riv]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout (changelog)	action	digest	8e8c483 → df4cb1c

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.50%. Comparing base (a8ccb8d) to head (95cec10).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #54   +/-   ##
=======================================
  Coverage   88.50%   88.50%           
=======================================
  Files          10       10           
  Lines         400      400           
=======================================
  Hits          354      354           
  Misses         36       36           
  Partials       10       10           

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