chore(deps): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	pinDigest	→ df4cb1c
actions/setup-node	action	pinDigest	→ 48b55a0
codecov/codecov-action	action	pinDigest	→ fb8b358

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.87%. Comparing base (2727956) to head (fd1b753).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #778   +/-   ##
=======================================
  Coverage   64.87%   64.87%           
=======================================
  Files          43       43           
  Lines        2238     2238           
  Branches      524      523    -1     
=======================================
  Hits         1452     1452           
  Misses        678      678           
  Partials      108      108           

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