Ci update

[mwilensky768]

Just doing a hotfix on the ci to pin pytest to <8.0 while an incompatibility with pytest-cases gets sorted smarie/python-pytest-cases#330, and to update which python versions get tested.

Description

See general summary.

Checklist:

Main Code Body Checklist:

• Add or update docstring related to code change
• Add a unit test that verifies the efficacy of the code
• Write a tutorial if the feature would be useful to others to use
• Update CHANGELOG.md

Scripts Checklist:

• Add useful help strings for any arguments that are parsed
• Manually check that the script runs and gives proper results
• Update CHANGELOG.md

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (56660cc) 100.00% compared to head (83862ef) 100.00%.

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Additional details and impacted files

@@            Coverage Diff            @@
##            master      #124   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            8         8           
  Lines          908       908           
=========================================
  Hits           908       908           

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