chore(deps): Bump serde from 1.0.205 to 1.0.206 (maplibre#1460)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.205 to
1.0.206.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/serde-rs/serde/releases">serde's
releases</a>.</em></p>
<blockquote>
<h2>v1.0.206</h2>
<ul>
<li>Improve support for <code>flatten</code> attribute inside of enums
(<a
href="https://redirect.github.com/serde-rs/serde/issues/2567">#2567</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/serde-rs/serde/commit/85c73ef8dea8966d88a03876e6f0dc9359e68cc9"><code>85c73ef</code></a>
Release 1.0.206</li>
<li><a
href="https://github.com/serde-rs/serde/commit/5ba1796a7e639839d4e18c3ae23b9bb32b0700b5"><code>5ba1796</code></a>
Resolve doc_markdown pedantic lint on regression test function</li>
<li><a
href="https://github.com/serde-rs/serde/commit/e52b7b380f88e0112c9f84e6258bdd34ad132352"><code>e52b7b3</code></a>
Touch up PR 2567</li>
<li><a
href="https://github.com/serde-rs/serde/commit/84c7419652161bf88f88eb26302b26debfff8a8c"><code>84c7419</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2794">#2794</a>
from dtolnay/neverread</li>
<li><a
href="https://github.com/serde-rs/serde/commit/536221b1f93a5dcf97352c7d1e3b93a5a56bf747"><code>536221b</code></a>
Temporarily ignore collection_is_never_read on
FlattenSkipDeserializing</li>
<li><a
href="https://github.com/serde-rs/serde/commit/fc55ac70d34221b38672b1583e496011fbae92aa"><code>fc55ac7</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2567">#2567</a>
from Mingun/fix-2565</li>
<li><a
href="https://github.com/serde-rs/serde/commit/2afe5b4ef9d0e89587ec564eadbc7583fd1f0673"><code>2afe5b4</code></a>
Add regression test for issue <a
href="https://redirect.github.com/serde-rs/serde/issues/2792">#2792</a></li>
<li><a
href="https://github.com/serde-rs/serde/commit/b4ec2595c9dd8e380227043eba42ff85beb780c2"><code>b4ec259</code></a>
Correctly process flatten fields in enum variants</li>
<li><a
href="https://github.com/serde-rs/serde/commit/c3ac7b675a38a73170879992976acb0009834ac0"><code>c3ac7b6</code></a>
Add regression test for issue <a
href="https://redirect.github.com/serde-rs/serde/issues/1904">#1904</a></li>
<li><a
href="https://github.com/serde-rs/serde/commit/24614e44bff5466057e46c55394bac3ae20142c4"><code>24614e4</code></a>
Add regression test for issue <a
href="https://redirect.github.com/serde-rs/serde/issues/2565">#2565</a></li>
<li>See full diff in <a
href="https://github.com/serde-rs/serde/compare/v1.0.205...v1.0.206">compare
view</a></li>
</ul>
</details>
<br />


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