chore(deps): bump tokio from 1.11.0 to 1.16.1

[dependabot]

Bumps tokio from 1.11.0 to 1.16.1.

Release notes

Sourced from tokio's releases.

Tokio v1.16.1

1.16.1 (January 28, 2022)

This release fixes a bug in #4428 with the change #4437.

#4428: tokio-rs/tokio#4428 #4437: tokio-rs/tokio#4437

Tokio v1.16.0

Fixes a soundness bug in io::Take (#4428). The unsoundness is exposed when leaking memory in the given AsyncRead implementation and then overwriting the supplied buffer:

impl AsyncRead for Buggy {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut ReadBuf<'_>
    ) -> Poll<Result<()>> {
      let new_buf = vec![0; 5].leak();
      *buf = ReadBuf::new(new_buf);
      buf.put_slice(b"hello");
      Poll::Ready(Ok(()))
    }
}

Also, this release includes improvements to the multi-threaded scheduler that can increase throughput by up to 20% in some cases (#4383).

Fixed

• io: soundness don't expose uninitialized memory when using io::Take in edge case (#4428)
• fs: ensure File::write results in a write syscall when the runtime shuts down (#4316)
• process: drop pipe after child exits in wait_with_output (#4315)
• rt: improve error message when spawning a thread fails (#4398)
• rt: reduce false-positive thread wakups in the multi-threaded scheduler (#4383)
• sync: don't inherit Send from parking_lot::*Guard (#4359)

Added

• net: TcpSocket::linger() and set_linger() (#4324)
• net: impl UnwindSafe for socket types (#4384)
• rt: impl UnwindSafe for JoinHandle (#4418)
• sync: watch::Receiver::has_changed() (#4342)
• sync: oneshot::Receiver::blocking_recv() (#4334)
• sync: RwLock blocking operations (#4425)

Unstable

... (truncated)

Commits

• 91b9850 chore: prepare Tokio v1.16.1 release (#4438)
• 3c46705 io: fix take pointer check (#4437)
• afd2189 chore: prepare Tokio v1.16 release (#4431)
• 986b88b chore: update year in LICENSE files (#4429)
• 257053e util: add spawn_pinned (#3370)
• 5af9e0d sync: add blocking lock methods to RwLock (#4425)
• 8f77ee8 net: add generic trait to combine UnixListener and TcpListener (#4385)
• 2747043 tests: enable running wasm32-unknown-unknown tests (#4421)
• 2a5071f feat: implement Framed::map_codec (#4427)
• 621790e io: fix take when using evil reader (#4428)
• Additional commits viewable in compare view

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