Update Rust crate tokio to v1.46.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	minor	1.45.1 -> 1.46.0

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Release Notes

tokio-rs/tokio (tokio)

v1.46.0: Tokio v1.46.0

Compare Source

1.46.0 (July 2nd, 2025)

Fixed

• net: fixed TcpStream::shutdown incorrectly returning an error on macOS (#​7290)

Added

• sync: mpsc::OwnedPermit::{same_channel, same_channel_as_sender} methods (#​7389)
• macros: biased option for join! and try_join!, similar to select! (#​7307)
• net: support for cygwin (#​7393)
• net: support pope::OpenOptions::read_write on Android (#​7426)
• net: add Clone implementation for net::unix::SocketAddr (#​7422)

Changed

• runtime: eliminate unnecessary lfence while operating on queue::Local<T> (#​7340)
• task: disallow blocking in LocalSet::{poll,drop} (#​7372)

Unstable

• runtime: add TaskMeta::spawn_location tracking where a task was spawned (#​7417)
• runtime: removed borrow from LocalOptions parameter to runtime::Builder::build_local (#​7346)

Documented

• io: clarify behavior of seeking when start_seek is not used (#​7366)
• io: document cancellation safety of AsyncWriteExt::flush (#​7364)
• net: fix docs for recv_buffer_size method (#​7336)
• net: fix broken link of RawFd in TcpSocket docs (#​7416)
• net: update AsRawFd doc link to current Rust stdlib location (#​7429)
• readme: fix double period in reactor description (#​7363)
• runtime: add doc note that on_*_task_poll is unstable (#​7311)
• sync: update broadcast docs on allocation failure (#​7352)
• time: add a missing panic scenario of time::advance (#​7394)

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