[notice] A new release of pip is available: 23.2.1 -> 23.3.2 [notice] To update, run: /Library/Frameworks/Python.framework/Versions/3.12/bin/python3.12 -m pip install --upgrade pip

While cibuildwheel can build CPython 3.8 universal2/arm64 wheels, we cannot test the arm64 part of them, even when running on an Apple Silicon machine. This is because we use the x86_64 installer of CPython 3.8. See the discussion in https://github.com/pypa/cibuildwheel/pull/1169 for the details. To silence this warning, set `CIBW_TEST_SKIP: "cp38-macosx_*:arm64"`.