Update Rust crate tokio to 1.28

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dev-dependencies	minor	1.27 -> 1.28
tokio (source)	dependencies	minor	1.27 -> 1.28

---

Release Notes

tokio-rs/tokio

v1.28.0: Tokio v1.28.0

Compare Source

1.28.0 (April 25th, 2023)

Added

• io: add AsyncFd::async_io (#​5542)
• io: impl BufMut for ReadBuf (#​5590)
• net: add recv_buf for UdpSocket and UnixDatagram (#​5583)
• sync: add OwnedSemaphorePermit::semaphore (#​5618)
• sync: add same_channel to broadcast channel (#​5607)
• sync: add watch::Receiver::wait_for (#​5611)
• task: add JoinSet::spawn_blocking and JoinSet::spawn_blocking_on (#​5612)

Changed

• deps: update windows-sys to 0.48 (#​5591)
• io: make read_to_end not grow unnecessarily (#​5610)
• macros: make entrypoints more efficient (#​5621)
• sync: improve Debug impl for RwLock (#​5647)
• sync: reduce contention in Notify (#​5503)

Fixed

• net: support get_peer_cred on AIX (#​5065)
• sync: avoid deadlocks in broadcast with custom wakers (#​5578)

Documented

• sync: fix typo in Semaphore::MAX_PERMITS (#​5645)
• sync: fix typo in tokio::sync::watch::Sender docs (#​5587)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.