Bump serde_yaml from 0.9.21 to 0.9.22 (#38)

Bumps [serde_yaml](https://github.com/dtolnay/serde-yaml) from 0.9.21 to
0.9.22.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/serde-yaml/releases">serde_yaml's
releases</a>.</em></p>
<blockquote>
<h2>0.9.22</h2>
<ul>
<li>Update indexmap dependency to version 2</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/060eb8669c7b26880f13aacfa77289236f1b0ea4"><code>060eb86</code></a>
Release 0.9.22</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/b12ad38d63166851c75e6997c36a9ddf083fa6ea"><code>b12ad38</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/serde-yaml/issues/377">#377</a>
from dtolnay/indexmap</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/c418ad56c3f7d32820f5e87d5791c499fdbaf238"><code>c418ad5</code></a>
Update indexmap dependency to version 2</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/f1cd9e6b7f79488b53c2c1f059cea5c2f6d4fd27"><code>f1cd9e6</code></a>
Remove .clippy.toml in favor of respecting rust-version from
Cargo.toml</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/147103c4f4ba2e2212f18ed9db976b9f4896b383"><code>147103c</code></a>
Show error details during miri setup in CI</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/622553f382bb2a491e583c5c4ea4c2d058fe68f0"><code>622553f</code></a>
Fix unused import warnings in test under cfg miri</li>
<li><a
href="https://github.com/dtolnay/serde-yaml/commit/2037c7e62b467e1ae745d9bedff7ae2ad5d03850"><code>2037c7e</code></a>
Fix new unused_mut detected by nightly-2023-04-30</li>
<li>See full diff in <a
href="https://github.com/dtolnay/serde-yaml/compare/0.9.21...0.9.22">compare
view</a></li>
</ul>
</details>
<br />


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