fix setuptools deprecation

[mosfet80]

Description

FIX:

#UserWarning: Unknown distribution option: 'tests_require'

Checklist

• Required by CI: Code is auto formatted using clang-format
• Extend the tutorials / documentation reference
• Document API changes relevant to the user in the MIGRATION.md notes
• Create tests, which fail without this PR reference
• Include a screenshot if changing a GUI
• While waiting for someone to review your request, please help review another open pull request to support the maintainers

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.27%. Comparing base (f6acd91) to head (494dabc).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3540      +/-   ##
==========================================
+ Coverage   46.17%   46.27%   +0.10%     
==========================================
  Files         720      720              
  Lines       59179    59179              
  Branches     7595     7596       +1     
==========================================
+ Hits        27320    27377      +57     
+ Misses      31692    31634      -58     
- Partials      167      168       +1     

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[github-actions]

This PR is stale because it has been open for 45 days with no activity. Please tag a maintainer for help on completing this PR, or close it if you think it has become obsolete.