Update watchdog to 2.2.1

[pyup-bot]

This PR updates watchdog from 2.1.9 to 2.2.1.

Changelog

2.2.1

~~~~~

2023-01-01 • `full history <https://github.com/gorakhargosh/watchdog/compare/v2.2.0...v2.2.1>`__

- Enable ``mypy`` to discover type hints as specified in PEP 561 (`933 <https://github.com/gorakhargosh/watchdog/pull/933>`__)
- [ci] Set the expected Python version when building release files
- [ci] Update actions versions in use
- [watchmedo] [regression] Fix usage of missing ``signal.SIGHUP`` attribute on non-Unix OSes (`935 <https://github.com/gorakhargosh/watchdog/pull/935>`__)
- Thanks to our beloved contributors: BoboTiG, simon04, piotrpdev

2.2.0

~~~~~

2022-12-05 • `full history <https://github.com/gorakhargosh/watchdog/compare/v2.1.9...v2.2.0>`__

- [build] Wheels are now available for Python 3.11 (`932 <https://github.com/gorakhargosh/watchdog/pull/932>`__)
- [documentation] HTML documentation builds are now tested for errors (`902 <https://github.com/gorakhargosh/watchdog/pull/902>`__)
- [documentation] Fix typos here, and there (`910 <https://github.com/gorakhargosh/watchdog/pull/910>`__)
- [fsevents2] The ``fsevents2`` observer is now deprecated (`909 <https://github.com/gorakhargosh/watchdog/pull/909>`__)
- [tests] The error message returned by musl libc for error code ``-1`` is now allowed (`923 <https://github.com/gorakhargosh/watchdog/pull/923>`__)
- [utils] Remove unnecessary code in ``dirsnapshot.py`` (`930 <https://github.com/gorakhargosh/watchdog/pull/930>`__)
- [watchmedo] Handle shutdown events from ``SIGHUP`` (`912 <https://github.com/gorakhargosh/watchdog/pull/912>`__)
- Thanks to our beloved contributors: kurtmckee, babymastodon, QuantumEnergyE, timgates42, BoboTiG

Links

• PyPI: https://pypi.org/project/watchdog
• Changelog: https://pyup.io/changelogs/watchdog/
• Repo: https://github.com/gorakhargosh/watchdog
• Docs: https://pythonhosted.org/watchdog/

[pyup-bot]

Closing this in favor of #451