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-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.00%. Comparing base (debe52f) to head (4606cd5).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #363   +/-   ##
=======================================
  Coverage   97.00%   97.00%           
=======================================
  Files           6        6           
  Lines         501      501           
=======================================
  Hits          486      486           
  Misses         15       15           

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