Update Rust crate tokio to v1.40.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	minor	1.39.2 -> 1.40.0

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Release Notes

tokio-rs/tokio (tokio)

v1.40.0: Tokio v1.40.0

Compare Source

1.40.0 (August 30th, 2024)

Added

• io: add util::SimplexStream (#​6589)
• process: stabilize Command::process_group (#​6731)
• sync: add {TrySendError,SendTimeoutError}::into_inner (#​6755)
• task: add JoinSet::join_all (#​6784)

Added (unstable)

• runtime: add Builder::{on_task_spawn, on_task_terminate} (#​6742)

Changed

• io: use vectored io for write_all_buf when possible (#​6724)
• runtime: prevent niche-optimization to avoid triggering miri (#​6744)
• sync: mark mpsc types as UnwindSafe (#​6783)
• sync,time: make Sleep and BatchSemaphore instrumentation explicit roots (#​6727)
• task: use NonZeroU64 for task::Id (#​6733)
• task: include panic message when printing JoinError (#​6753)
• task: add #[must_use] to JoinHandle::abort_handle (#​6762)
• time: eliminate timer wheel allocations (#​6779)

Documented

• docs: clarify that [build] section doesn't go in Cargo.toml (#​6728)
• io: clarify zero remaining capacity case (#​6790)
• macros: improve documentation for select! (#​6774)
• sync: document mpsc channel allocation behavior (#​6773)

v1.39.3: Tokio v1.39.3

Compare Source

1.39.3 (August 17th, 2024)

This release fixes a regression where the unix socket api stopped accepting the abstract socket namespace. (#​6772)

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