build(deps): bump mio from 0.8.4 to 0.8.11 in /demos/chat-server/rust

[dependabot[bot]]

Bumps mio from 0.8.4 to 0.8.11.

Changelog

Sourced from mio's changelog.

0.8.11

• Fix receiving IOCP events after deregistering a Windows named pipe (tokio-rs/mio#1760, backport pr: tokio-rs/mio#1761).

0.8.10

Added

• Solaris support (tokio-rs/mio#1724).

0.8.9

Added

• ESP-IDF framework support (tokio-rs/mio#1692).
• AIX operating system support (tokio-rs/mio#1704).
• Vita support (tokio-rs/mio#1721).
• {UnixListener,UnixStream}:bind_addr (tokio-rs/mio#1630).
• mio_unsupported_force_poll_poll and mio_unsupported_force_waker_pipe unsupported configuration flags to force a specific poll or waker implementation (tokio-rs/mio#1684, tokio-rs/mio#1685, tokio-rs/mio#1692).

Fixed

• The pipe(2) based waker (swapped file descriptors) (tokio-rs/mio#1722).
• The duplicate waker check to work correctly with cloned Registrys. (tokio-rs/mio#1706).

0.8.8

Fixed

• Fix compilation on WASI (tokio-rs/mio#1676).

0.8.7

Added

• Add/fix support for tvOS and watchOS, Mio should now build for tvOS and

... (truncated)

Commits

• 0328bde Release v0.8.11
• 7084498 Fix warnings
• 90d4fe0 named-pipes: fix receiving IOCP events after deregister
• c710a30 Add v0.8.x to the CI
• c29e21c Release v0.8.10
• f6a20da Add Solaris operating system support (#1724)
• e80c3b2 Release v0.8.9
• 862786b Fix importing of IoSourceState
• 4034872 Add support for vita target
• 8eb4010 Fix receiver and sender fd in pipe based waker
• Additional commits viewable in compare view

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