chore(deps): update rust crate tokio to v1.52.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	minor	1.51.0 → 1.52.0

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Release Notes

tokio-rs/tokio (tokio)

v1.52.0: Tokio v1.52.0

Compare Source

1.52.0 (April 14th, 2026)

Added

• io: AioSource::register_borrowed for I/O safety support (#​7992)
• net: add try_io function to unix::pipe sender and receiver types (#​8030)

Added (unstable)

• runtime: Builder::enable_eager_driver_handoff setting enable eager hand off of the I/O and time drivers before polling tasks (#​8010)
• taskdump: add trace_with() for customized task dumps (#​8025)
• taskdump: allow impl FnMut() in trace_with instead of just fn() (#​8040)
• fs: support io_uring in AsyncRead for File (#​7907)

Changed

• runtime: improve spawn_blocking scalability with sharded queue (#​7757)
• runtime: use compare_exchange_weak() in worker queue (#​8028)

Fixed

• runtime: overflow second half of tasks when local queue is filled instead of first half (#​8029)

Documented

• docs: fix typo in oneshot::Sender::send docs (#​8026)
• docs: hide #[tokio::main] attribute in the docs of sync::watch (#​8035)
• net: add docs on ConnectionRefused errors with UDP sockets (#​7870)

v1.51.1: Tokio v1.51.1

Compare Source

1.51.1 (April 8th, 2026)

Fixed

• sync: fix semaphore reopens after forget (#​8021)
• net: surface errors from SO_ERROR on recv for UDP sockets on Linux (#​8001)

Fixed (unstable)

• metrics: fix worker_local_schedule_count test (#​8008)
• rt: do not leak fd when cancelling io_uring open operation (#​7983)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.20%. Comparing base (4c0df5b) to head (8ce54e4).
⚠️ Report is 14 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #391   +/-   ##
=======================================
  Coverage   68.20%   68.20%           
=======================================
  Files           4        4           
  Lines         456      456           
=======================================
  Hits          311      311           
  Misses        145      145           

Flag	Coverage Δ
unittests	68.20% <ø> (ø)

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