Update pyudev to 0.23.2

[pyup-bot]

This PR updates pyudev from 0.22.0 to 0.23.2.

Changelog

0.23.2

https://github.com/pyudev/pyudev/pull/444

- Tidies and Maintenance:
https://github.com/pyudev/pyudev/pull/445
https://github.com/pyudev/pyudev/pull/443
https://github.com/pyudev/pyudev/pull/442

0.23.1

======
Recommended development release: Fedora 34

- Update to version 0.23.1:
https://github.com/pyudev/pyudev/pull/440

- Check for existence of _hasattr attribute in Context.__del__ method:
https://github.com/pyudev/pyudev/issues/421
https://github.com/pyudev/pyudev/pull/439

- Tidies and Maintenance:
https://github.com/pyudev/pyudev/pull/438

0.23.0

======
Recommended development release: Fedora 34

- Update to version 0.23.0:
https://github.com/pyudev/pyudev/pull/427

- Officially drop support for Python 2:
https://github.com/pyudev/pyudev/pull/414

- Remove external mock dependency:
https://github.com/pyudev/pyudev/pull/409

- Enable GLib unit tests:
https://github.com/pyudev/pyudev/pull/400

- Switch to new style gi.repository.GLib imports:
https://github.com/pyudev/pyudev/pull/399

- Tidies and Maintenance:
https://github.com/pyudev/pyudev/pull/432
https://github.com/pyudev/pyudev/pull/430
https://github.com/pyudev/pyudev/pull/429
https://github.com/pyudev/pyudev/pull/428
https://github.com/pyudev/pyudev/pull/424
https://github.com/pyudev/pyudev/pull/423
https://github.com/pyudev/pyudev/pull/418
https://github.com/pyudev/pyudev/pull/415
https://github.com/pyudev/pyudev/pull/413

Links

• PyPI: https://pypi.org/project/pyudev
• Changelog: https://pyup.io/changelogs/pyudev/
• Docs: http://pyudev.readthedocs.org/