build(deps): update mio requirement from 0.6.19 to 0.7.7

[dependabot-preview]

Updates the requirements on mio to permit the latest version.

Changelog

Sourced from mio's changelog.

0.7.7

Added

• UdpSocket::only_v6 (tokio-rs/mio@0101e05).
• Clone implementation for Event (tokio-rs/mio@26540eb).
• AsRawFd implementation for Registry (tokio-rs/mio@f70daa7).
• Read and Write implementation for &unix::pipe::Sender and Receiver, that is on the reference to them, an implementation existed on the types themselves already (tokio-rs/mio@1be481d).

Fixes

• Underflow in SocketAddr::address (tokio-rs/mio@6d3fa69).
• Android build with the net feature enabled, but with os-poll disabled (tokio-rs/mio@49d8fd3).
• Solaris build with the net feature enabled, but with os-poll disabled (tokio-rs/mio@a6e025e).
• Ensure that Waker::wake works on illumos systems with poor pipe(2) and epoll(2) interaction using EPOLLET (tokio-rs/mio@943d424).
• Fix unix::pipe on illumos (tokio-rs/mio@0db49f6).

0.7.6

Added

• net feature, replaces tcp, udp and uds features (tokio-rs/mio@a301ba5).
• os-ext feature, replaces os-util and pipe features (tokio-rs/mio@f5017fa).
• Added keepalive support to TcpSocket (tokio-rs/mio@290c43a).
• TcpSocket::set_{send, recv}_buffer_size (tokio-rs/mio@40c4af7).
• TcpSocket::get_linger (tokio-rs/mio@13e82ce).
• Implement IntoRawFd for TcpSocket (tokio-rs/mio@50548ed).

Deprecated

• The tcp, udp and uds features, replaced by a new net feature.

Commits

• 0fef0d6 Release v0.7.7
• 196fe24 Add some more targets to the Makefile
• a6e025e Fix complication on Solaris
• 49d8fd3 Fix complication on Android
• 44129e4 Add Makefile
• 9cf93dd Forget socket in set_linger_zero
• 07d8ca8 Mark UdpSocket assert_size test as a test
• 3f8d219 Deflake connect_error test
• 15b9977 Ignore TcpSocket example without os-poll feature
• 0101e05 Bring back UdpSocket::only_v6 (fixes #1424)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #43.