Update GitHub Action Versions

[seb5g]

GitHub Actions Version Updates

• codecov/codecov-action published a new release v5.4.2 on 2025-04-14T20:02:26Z
• actions/setup-python published a new release v5.6.0 on 2025-04-24T02:50:16Z
• actions/download-artifact published a new release v4.3.0 on 2025-04-24T16:28:16Z

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.46%. Comparing base (6dd4ce6) to head (fcbd2bb).
Report is 2 commits behind head on 5.0.x_dev.

Additional details and impacted files

@@            Coverage Diff             @@
##           5.0.x_dev      #40   +/-   ##
==========================================
  Coverage      76.46%   76.46%           
==========================================
  Files             17       17           
  Lines           3790     3790           
==========================================
  Hits            2898     2898           
  Misses           892      892           

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