Bump mio from 0.8.4 to 0.8.5

[dependabot[bot]]

Bumps mio from 0.8.4 to 0.8.5.

Changelog

Sourced from mio's changelog.

0.8.5

Changed

• Updated windows-sys to 0.42.0 (tokio-rs/mio#1624).
• Officially document Wine as not supported, some people claimed it worked, other claims it doesn't, but nobody stepped up to fix the problem (tokio-rs/mio#1596).
• Switch to GitHub Actions (tokio-rs/mio#1598, tokio-rs/mio#1601).
• Documented the current Poll::poll time behaviour (tokio-rs/mio#1603).

Fixed

• Timeout less than one millisecond becoming zero millsiconds (tokio-rs/mio#1615, tokio-rs/mio#1616)
• Undefined reference to epoll\_create1 on Android API level < 21. (tokio-rs/mio#1590).

Commits

• 0accf7d Release v0.8.5
• c6cc563 deps: update to windows-sys 0.42.0
• 26941af Fix clippy warnings (#1617)
• 9830fca Round nonzero <1ms timeouts to 1ms for Windows too
• a07049d Round up when converting timeout to ms for epoll_wait()
• c6b5f13 Document the current Poll::poll timeout behaviour
• 3340f6d Switch to GitHub Actions badge (#1601)
• ef19161 Remove Azure pipeline CI
• 4883ab4 Add Passed job to CI
• 2510dd7 Run CI on v0.6.x and v0.7.x branches
• Additional commits viewable in compare view

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[dependabot[bot]]

Looks like mio is up-to-date now, so this is no longer needed.