Update setuptools to 49.3.2

[pyup-bot]

This PR updates setuptools from 49.3.0 to 49.3.2.

Changelog

49.3.2

-------

* 2300: Improve the ``safe_version`` function documentation
* 2297: Once again, in stubs prefer exec_module to the deprecated load_module.

49.3.1

-------

* 2316: Removed warning when ``distutils`` is imported before ``setuptools`` when ``distutils`` replacement is not enabled.

Links

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

[coveralls]

Coverage remained the same at 86.168% when pulling a07b9c3 on pyup-update-setuptools-49.3.0-to-49.3.2 into 8a893ab on master.

[pyup-bot]

Closing this in favor of #245