chore(deps): update dependency watchdog to v2.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
watchdog (changelog)	==2.2.0 -> ==2.2.1

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Release Notes

gorakhargosh/watchdog

### [`v2.2.1`](https://togithub.com/gorakhargosh/watchdog/releases/tag/v2.2.1): 2.2.1 [Compare Source](https://togithub.com/gorakhargosh/watchdog/compare/v2.2.0...v2.2.1) - Enable mypy to discover type hints as specified in PEP 561 ([#​933](https://togithub.com/gorakhargosh/watchdog/issues/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://togithub.com/gorakhargosh/watchdog/issues/935)) :heart_decoration: Thanks to our beloved contributors: [@​BoboTiG](https://togithub.com/BoboTiG), [@​simon04](https://togithub.com/simon04), [@​piotrpdev](https://togithub.com/piotrpdev)

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Configuration

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Unit Test Results

366 tests  ±0   366 :heavy_check_mark: ±0   24s :stopwatch: -8s 154 suites ±0       0 :zzz: ±0  154 files   ±0       0 :x: ±0 

Results for commit 5f939498. ± Comparison against base commit 5eb174f9.