Update polling requirement from 2.8.0 to 3.7.3

[dependabot[bot]]

Updates the requirements on polling to permit the latest version.

Release notes

Sourced from polling's releases.

v3.7.3

• Update to windows-sys v0.59. (#214)

Changelog

Sourced from polling's changelog.

Version 3.7.3

• Update to windows-sys v0.59. (#214)

Version 3.7.2

• Update hermit-abi to v0.4.0. (#209)

Version 3.7.1

• Fix a typo in Event::is_err(). (#204)

Version 3.7.0

• Add support for the PS Vita as a platform. (#160)

Version 3.6.0

• Add an is_err method to Event to tell when an error has occurred. (#189)
• Deprecate the is_connect_failed function. (#189)
• Add support for HermitOS to polling. (#194)

Version 3.5.0

• Use the epoll backend when RedoxOS is enabled. (#190)

Version 3.4.0

• Add the ability to identify whether socket connection has failed. (#185)
• On BSD, add the ability to wait on a process by its PID. Previously, it was only possible to wait on a process by a Child object. (#180)
• On ESP-IDF, annotate eventfd initialization failures with a message indicating the source of those failures. (#186)

Version 3.3.2

• When AFD fails to initialize, the resulting error now references the underlying system error. (#174)

Version 3.3.1

• Bump windows-sys to v0.52.0. (#169)

Version 3.3.0

• Automatically restarts polling when ErrorKind::Interrupted is returned, rather than relying on the user to handle it. (#164)
• Fix bad link in documentation for Poller::wait(). (#163)

Version 3.2.0

... (truncated)

Commits

• 1ee697a v3.7.3
• fd188f6 Update windows-sys 0.59
• 18030b8 v3.7.2
• b9a1af9 Update hermit-abi requirement from 0.3.9 to 0.4.0
• c0f304a v3.7.1
• 31a1661 ci: Bump FreeBSD in CI to v13.3
• 7719966 docs: Fix typo in is_err()
• 2af3a5e bugfix: Fix new nightly errors
• cf2d60e ci: Use latest stable wine in testing
• 0b4afca ci: Remove +nightly and use default
• Additional commits viewable in compare view

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