When I run on macOS, I get the following error:
```
Traceback (most recent call last):
File "/Users/david/.local/pipx/.cache/fd54e06d50697e7/bin/cibuildwheel", line 8, in <module>
sys.exit(main())
File "/Users/david/.local/pipx/.cache/fd54e06d50697e7/lib/python3.10/site-packages/cibuildwheel/__main__.py", line 128, in main
build_in_directory(args)
File "/Users/david/.local/pipx/.cache/fd54e06d50697e7/lib/python3.10/site-packages/cibuildwheel/__main__.py", line 252, in build_in_directory
cibuildwheel.macos.build(options, tmp_path)
File "/Users/david/.local/pipx/.cache/fd54e06d50697e7/lib/python3.10/site-packages/cibuildwheel/macos.py", line 538, in build
shutil.move(str(repaired_wheel), build_options.output_dir)
File "/opt/homebrew/Cellar/python@3.10/3.10.4/Frameworks/Python.framework/Versions/3.10/lib/python3.10/shutil.py", line 811, in move
raise Error("Destination path '%s' already exists" % real_dst)
shutil.Error: Destination path '/Users/david/Documents/GitHub/python-mpy-cross/wheelhouse/mpy_cross_v5-1.0.0-py3-none-macosx_11_0_arm64.whl' already exists
```
The comment in the code says that it should overwrite the file, so this removes the file if it exists first before trying to move the file.
David Lechner