Bump tokio from 1.28.0 to 1.28.1 (#1942)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.28.0 to 1.28.1.
<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 v1.28.1</h2>
<h1>1.28.1 (May 10th, 2023)</h1>
<p>This release fixes a mistake in the build script that makes
<code>AsFd</code> implementations unavailable on Rust 1.63. (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/5677">#5677</a>)</p>
<p><a
href="https://redirect.github.com/tokio-rs/tokio/issues/5677">#5677</a>:
<a
href="https://redirect.github.com/tokio-rs/tokio/pull/5677">tokio-rs/tokio#5677</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/tokio-rs/tokio/commit/a26fc9c9f956a66d086b8e43dbf9b2a8fe9b14de"><code>a26fc9c</code></a>
chore: prepare Tokio v1.28.1 (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/5679">#5679</a>)</li>
<li><a
href="https://github.com/tokio-rs/tokio/commit/f2d033e4541d3e814e19b19ddd8a07ff1302ddbb"><code>f2d033e</code></a>
build: fix warnings in AS_FD_PROBE (<a
href="https://redirect.github.com/tokio-rs/tokio/issues/5677">#5677</a>)</li>
<li>See full diff in <a
href="https://github.com/tokio-rs/tokio/compare/tokio-1.28.0...tokio-1.28.1">compare
view</a></li>
</ul>
</details>
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