Update actions/checkout digest to 3d3c42e

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout (changelog)	action	digest	9c091bb → 3d3c42e

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.53%. Comparing base (19b0ee5) to head (f8cab20).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #833   +/-   ##
=======================================
  Coverage   90.53%   90.53%           
=======================================
  Files          15       15           
  Lines         528      528           
  Branches       55       55           
=======================================
  Hits          478      478           
  Misses         34       34           
  Partials       16       16           

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