[CI/CD]: Marker cannot be identified in cibuildwheel

[haochengxia]

MSG

=============================== warnings summary ===============================
  tests/test_cache.py:511
    /private/var/folders/y6/nj790rtn62lfktb1sh__79hc0000gn/T/cibw-run-gh9mfhm4/cp312-macosx_arm64/test_cwd/tests/test_cache.py:511: PytestUnknownMarkWarning: Unknown pytest.mark.optional - is this a typo?  You can register custom marks to avoid this warning - for details, see https://docs.pytest.org/en/stable/how-to/mark.html
      @pytest.mark.optional
  
  tests/test_cache.py:519
    /private/var/folders/y6/nj790rtn62lfktb1sh__79hc0000gn/T/cibw-run-gh9mfhm4/cp312-macosx_arm64/test_cwd/tests/test_cache.py:519: PytestUnknownMarkWarning: Unknown pytest.mark.optional - is this a typo?  You can register custom marks to avoid this warning - for details, see https://docs.pytest.org/en/stable/how-to/mark.html
      @pytest.mark.optional
  
  tests/test_cache.py:527
    /private/var/folders/y6/nj790rtn62lfktb1sh__79hc0000gn/T/cibw-run-gh9mfhm4/cp312-macosx_arm64/test_cwd/tests/test_cache.py:527: PytestUnknownMarkWarning: Unknown pytest.mark.optional - is this a typo?  You can register custom marks to avoid this warning - for details, see https://docs.pytest.org/en/stable/how-to/mark.html
      @pytest.mark.optional
  
  -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
  =========== 125 passed, 1 skipped, 3 deselected, 3 warnings in 4.67s ===========

[haochengxia]

This is due to the pyproject.toml will not be automatically copied to the test folder.