Update GitHub Action Versions

[jab]

GitHub Actions Version Updates

• actions/checkout added a new commit to v6.0.1 Tag on 2025-12-02T02:08:49Z
• awalsh128/cache-apt-pkgs-action added a new commit to v1.6.0 Tag on 2025-10-04T06:35:39Z
• codecov/codecov-action added a new commit to v5.5.2 Tag on 2025-12-09T19:20:06Z
• actions/setup-python added a new commit to v6.1.0 Tag on 2025-11-24T17:15:58Z
• actions/upload-artifact added a new commit to v6.0.0 Tag on 2025-12-12T17:58:04Z
• DeterminateSystems/nix-installer-action added a new commit to v21 Tag on 2025-11-10T14:48:50Z
• actions/cache added a new commit to v5.0.1 Tag on 2025-12-12T16:35:06Z
• DeterminateSystems/update-flake-lock added a new commit to v28 Tag on 2025-11-24T01:04:16Z
• peter-evans/create-pull-request added a new commit to v8.0.0 Tag on 2025-12-09T20:23:02Z

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.75%. Comparing base (c1f1b04) to head (ca90663).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##              main     #348      +/-   ##
===========================================
- Coverage   100.00%   99.75%   -0.25%     
===========================================
  Files           14       14              
  Lines         1214     1214              
  Branches       102      102              
===========================================
- Hits          1214     1211       -3     
- Misses           0        2       +2     
- Partials         0        1       +1     

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