Update auditwheel to 1.9.0

[pyup-bot]

This PR updates auditwheel from 1.8.0 to 1.9.0.

Changelog

1.9

- Skip pure wheels that don't need a platform added (71)
- Process non-Python binary executables (95)
- Remove unused `-f`/`--force` option for `main_repair.py` (96)
- Add support for compiled cffi pypy extensions (94)

Links

• PyPI: https://pypi.org/project/auditwheel
• Changelog: https://pyup.io/changelogs/auditwheel/
• Repo: https://github.com/pypa/auditwheel

[trishankatdatadog]

LGTM, shall I merge @njsmith? Thanks for the invite, btw! @dstufft

[njsmith]

Go for it!