Update dependency watchdog to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
watchdog (changelog)	==5.0.3 -> ==6.0.0

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Release Notes

gorakhargosh/watchdog (watchdog)

v6.0.0: 6.0.0

Compare Source

Breaking Changes

• [inotify] Use of select.poll() instead of deprecated select.select(), if available. (#​1078)
• [utils] Removed the unused echo_class() function from the echo module.
• [utils] Removed the unused echo_instancemethod() function from the echo module.
• [utils] Removed the unused echo_module() function from the echo module.
• [utils] Removed the unused is_class_private_name() function from the echo module.
• [utils] Removed the unused is_classmethod() function from the echo module.
• [utils] Removed the unused ic_method(met() function from the echo module.
• [utils] Removed the unused method_name() function from the echo module.
• [utils] Removed the unused name() function from the echo module.
• [watchmedo] Removed the --trace CLI argument from the watchmedo log command, useless since events are logged by default at the LoggerTrick class level.

Other CHanges

• Pin test dependecies.
• [docs] Add typing info to quick start. (#​1082)
• [inotify] Fix reading inotify file descriptor after closing it. (#​1081)
• [utils] The stop_signal keyword-argument type of the AutoRestartTrick class can now be either a signal.Signals or an int.
• [utils] Added the __repr__() method to the Trick class.
• [watchmedo] Fixed Mypy issues.
• [watchmedo] Added the __repr__() method to the HelpFormatter class.
• [windows] Fixed Mypy issues.

💟 Thanks to our beloved contributors: @​g-pichler, @​ethan-vanderheijden, @​nhairs, @​BoboTiG

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