Update dependency versions

[drhagen]

• Update to pytest 8.0
• Update GitHub Action versions
  • Do not update codecov/codecov-action, which does not support trusted upload in version 4

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (8a6f319) to head (27a88cb).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #105 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 25 25 Lines 795 795 Branches 95 95 ========================================= Hits 795 795 ```

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