Update dependency watchdog to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
watchdog (changelog)	^3.0.0 -> ^4.0.0

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Release Notes

gorakhargosh/watchdog (watchdog)

v4.0.0: 4.0.0

Compare Source

• Drop support for Python 3.7.
• Add support for Python 3.12.
• [snapshot] Add typing to dirsnapshot (#​1012)
• [snapshot] Added DirectorySnapshotDiff.ContextManager (#​1011)
• [events] FileSystemEvent, and subclasses, are now dataclasses, and their repr() has changed
• [windows] WinAPINativeEvent is now a dataclass, and its repr() has changed
• [events] Log FileOpenedEvent, and FileClosedEvent, events in LoggingEventHandler
• [tests] Improve FileSystemEvent coverage
• [watchmedo] Log all events in LoggerTrick
• [windows] The observers.read_directory_changes.WATCHDOG_TRAVERSE_MOVED_DIR_DELAY hack was removed. The constant will be kept to prevent breaking other softwares.
• Thanks to our beloved contributors: @​BoboTiG, @​msabramo

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