chore(deps): update actions/checkout action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v4

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Support fetching without the --progress option
• Update to node20

v3

Compare Source

• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

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Configuration

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[codecov]

Codecov Report

Merging #108 (0fcdc6a) into main (3f95d41) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #108   +/-   ##
=======================================
  Coverage   91.26%   91.26%           
=======================================
  Files         105      105           
  Lines        3802     3802           
  Branches      821      821           
=======================================
  Hits         3470     3470           
  Misses        207      207           
  Partials      125      125           

[github-actions]

Unit Test Results

    21 files  ±0      21 suites  ±0   53m 3s ⏱️ - 1m 50s
 1 091 tests ±0   1 091 ✅ ±0   0 💤 ±0  0 ❌ ±0 
15 411 runs  ±0  15 400 ✅ ±0  11 💤 ±0  0 ❌ ±0 

Results for commit 0fcdc6a. ± Comparison against base commit 3f95d41.

♻️ This comment has been updated with latest results.