Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.51.0 to 1.52.3. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/tokio-rs/tokio/releases">tokio's releases</a>.</em></p> <blockquote> <h2>Tokio v1.52.3</h2> <h1>1.52.3 (May 8th, 2026)</h1> <h3>Fixed</h3> <ul> <li>sync: fix underflow in mpsc channel <code>len()</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8062">#8062</a>)</li> <li>sync: notify receivers in mpsc <code>OwnedPermit::release()</code> method (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8075">#8075</a>)</li> <li>sync: require that an <code>RwLock</code> has <code>max_readers != 0</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8076">#8076</a>)</li> <li>sync: return <code>Empty</code> from <code>try_recv()</code> when mpsc is closed with outstanding permits (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8074">#8074</a>)</li> </ul> <p><a href="https://redirect.github.com/tokio-rs/tokio/issues/8062">#8062</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8062">tokio-rs/tokio#8062</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8074">#8074</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8074">tokio-rs/tokio#8074</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8075">#8075</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8075">tokio-rs/tokio#8075</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8076">#8076</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8076">tokio-rs/tokio#8076</a></p> <h2>Tokio v1.52.2</h2> <h1>1.52.2 (May 4th, 2026)</h1> <p>This release reverts the LIFO slot stealing change introduced in 1.51.0 (<a href="https://redirect.github.com/tokio-rs/tokio/issues/7431">#7431</a>), due to [its performance impact]<a href="https://redirect.github.com/tokio-rs/tokio/issues/8065">#8065</a>. (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8100">#8100</a>)</p> <p><a href="https://redirect.github.com/tokio-rs/tokio/issues/7431">#7431</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/7431">tokio-rs/tokio#7431</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8065">#8065</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8065">tokio-rs/tokio#8065</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8100">#8100</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8100">tokio-rs/tokio#8100</a></p> <h2>Tokio v1.52.1</h2> <h1>1.52.1 (April 16th, 2026)</h1> <h2>Fixed</h2> <ul> <li>runtime: revert <a href="https://redirect.github.com/tokio-rs/tokio/issues/7757">#7757</a> to fix [a regression]<a href="https://redirect.github.com/tokio-rs/tokio/issues/8056">#8056</a> that causes <code>spawn_blocking</code> to hang (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8057">#8057</a>)</li> </ul> <p><a href="https://redirect.github.com/tokio-rs/tokio/issues/7757">#7757</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/7757">tokio-rs/tokio#7757</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8056">#8056</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8056">tokio-rs/tokio#8056</a> <a href="https://redirect.github.com/tokio-rs/tokio/issues/8057">#8057</a>: <a href="https://redirect.github.com/tokio-rs/tokio/pull/8057">tokio-rs/tokio#8057</a></p> <h2>Tokio v1.52.0</h2> <h1>1.52.0 (April 14th, 2026)</h1> <h2>Added</h2> <ul> <li>io: <code>AioSource::register_borrowed</code> for I/O safety support (<a href="https://redirect.github.com/tokio-rs/tokio/issues/7992">#7992</a>)</li> <li>net: add <code>try_io</code> function to <code>unix::pipe</code> sender and receiver types (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8030">#8030</a>)</li> </ul> <h2>Added (unstable)</h2> <ul> <li>runtime: <code>Builder::enable_eager_driver_handoff</code> setting enable eager hand off of the I/O and time drivers before polling tasks (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8010">#8010</a>)</li> <li>taskdump: add <code>trace_with()</code> for customized task dumps (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8025">#8025</a>)</li> <li>taskdump: allow <code>impl FnMut()</code> in <code>trace_with</code> instead of just <code>fn()</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8040">#8040</a>)</li> <li>fs: support <code>io_uring</code> in <code>AsyncRead</code> for <code>File</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/7907">#7907</a>)</li> </ul>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/tokio-rs/tokio/commit/d87569164fb61145e79e7ffe0b25783569cc8f93"><code>d875691</code></a> chore: prepare Tokio v1.52.3 (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8130">#8130</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/e1aebb031cb24bdb52289561343308f4a44a4d81"><code>e1aebb0</code></a> Merge 'tokio-1.51.3' into 'tokio-1.52.x' (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8129">#8129</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/fd63094ee0d34b4f3f93f59507e91c65919a2d71"><code>fd63094</code></a> chore: prepare Tokio v1.51.3 (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8127">#8127</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/8c600d0fd2cdebea4828fe9f699ced4dfd8aad3b"><code>8c600d0</code></a> Merge 'tokio-1.47.5' into 'tokio-1.51.x' (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8123">#8123</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/11bfc1345bbd5e901187e2b3702de10b0efbffdc"><code>11bfc13</code></a> chore: prepare Tokio v1.47.5 (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8122">#8122</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/f085b6211b8ebb6aba21f1f1f91e7b8b243aa815"><code>f085b62</code></a> sync: notify receivers in mpsc <code>OwnedPermit::release()</code> method (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8075">#8075</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/30d25ccb8bc91ca811773ee243e71e31772275d2"><code>30d25cc</code></a> sync: require that an <code>RwLock</code> has <code>max_readers != 0</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8076">#8076</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/9fccf5339d41c1f2f863f97b9133bc8a5a10bc28"><code>9fccf53</code></a> sync: return <code>Empty</code> from <code>try_recv()</code> when mpsc is closed with outstanding p...</li> <li><a href="https://github.com/tokio-rs/tokio/commit/ebf61b45b5184018f00bc666887ebccf3d4fe51b"><code>ebf61b4</code></a> sync: fix underflow in mpsc channel <code>len()</code> (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8062">#8062</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/4abe9d732eb01f7b092a571c3dcc4fbd266f4067"><code>4abe9d7</code></a> chore: prepare Tokio v1.52.2 (<a href="https://redirect.github.com/tokio-rs/tokio/issues/8115">#8115</a>)</li> <li>Additional commits viewable in <a href="https://github.com/tokio-rs/tokio/compare/tokio-1.51.0...tokio-1.52.3">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=tokio&package-manager=cargo&previous-version=1.51.0&new-version=1.52.3)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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