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 46.17%. Comparing base (1885b2e) to head (0808e75).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3540      +/-   ##
==========================================
- Coverage   46.20%   46.17%   -0.02%     
==========================================
  Files         720      720              
  Lines       59180    59180              
  Branches     7595     7595              
==========================================
- Hits        27336    27322      -14     
- Misses      31677    31691      +14     
  Partials      167      167              

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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.

[rhaschke]

@EzraBrooks: great to see somebody taking care of the MoveIt2 repo again. Thanks!