fix(deps): update rust crate tokio to 1.26.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	minor	1.25.0 -> 1.26.0

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Release Notes

tokio-rs/tokio

v1.26.0: Tokio v1.26.0

Compare Source

Fixed

• macros: fix empty join! and try_join! ([https://github.com/tokio-rs/tokio/pull/5504])
• sync: don't leak tracing spans in mutex guards ([https://github.com/tokio-rs/tokio/pull/5469])
• sync: drop wakers after unlocking the mutex in Notify ([https://github.com/tokio-rs/tokio/pull/5471])
• sync: drop wakers outside lock in semaphore ([https://github.com/tokio-rs/tokio/pull/5475])

Added

• fs: add fs::try_exists ([https://github.com/tokio-rs/tokio/pull/4299])
• net: add types for named unix pipes ([https://github.com/tokio-rs/tokio/pull/5351])
• sync: add MappedOwnedMutexGuard ([https://github.com/tokio-rs/tokio/pull/5474])

Changed

• chore: update windows-sys to 0.45 ([https://github.com/tokio-rs/tokio/pull/5386])
• net: use Message Read Mode for named pipes ([https://github.com/tokio-rs/tokio/pull/5350])
• sync: mark lock guards with #[clippy::has_significant_drop] ([https://github.com/tokio-rs/tokio/pull/5422])
• sync: reduce contention in watch channel ([https://github.com/tokio-rs/tokio/pull/5464])
• time: remove cache padding in timer entries ([https://github.com/tokio-rs/tokio/pull/5468])
• time: Improve Instant::now() perf with test-util ([https://github.com/tokio-rs/tokio/pull/5513])

Internal Changes

• io: use poll_fn in copy_bidirectional ([https://github.com/tokio-rs/tokio/pull/5486])
• net: refactor named pipe builders to not use bitfields ([https://github.com/tokio-rs/tokio/pull/5477])
• rt: remove Arc from Clock ([https://github.com/tokio-rs/tokio/pull/5434])
• sync: make notify_waiters calls atomic ([https://github.com/tokio-rs/tokio/pull/5458])
• time: don't store deadline twice in sleep entries ([https://github.com/tokio-rs/tokio/pull/5410])

Unstable

• metrics: add a new metric for budget exhaustion yields ([https://github.com/tokio-rs/tokio/pull/5517])

Documented

• io: improve AsyncFd example ([https://github.com/tokio-rs/tokio/pull/5481])
• runtime: document the nature of the main future ([https://github.com/tokio-rs/tokio/pull/5494])
• runtime: remove extra period in docs ([https://github.com/tokio-rs/tokio/pull/5511])
• signal: updated Documentation for Signals ([https://github.com/tokio-rs/tokio/pull/5459])
• sync: add doc aliases for blocking_* methods ([https://github.com/tokio-rs/tokio/pull/5448])
• sync: fix docs for Send/Sync bounds in broadcast ([https://github.com/tokio-rs/tokio/pull/5480])
• sync: document drop behavior for channels ([https://github.com/tokio-rs/tokio/pull/5497])
• task: clarify what happens to spawned work during runtime shutdown ([https://github.com/tokio-rs/tokio/pull/5394])
• task: clarify process::Command docs ([https://github.com/tokio-rs/tokio/pull/5413])
• task: fix wording with 'unsend' ([https://github.com/tokio-rs/tokio/pull/5452])
• time: document immediate completion guarantee for timeouts ([https://github.com/tokio-rs/tokio/pull/5509])
• tokio: document supported platforms ([https://github.com/tokio-rs/tokio/pull/5483])

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