build(deps): bump serde from 1.0.223 to 1.0.225 (#39381)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.223 to
1.0.225.
<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>v1.0.225</h2>
<ul>
<li>Avoid triggering a deprecation warning in derived Serialize and
Deserialize impls for a data structure that contains its own
deprecations (<a
href="https://redirect.github.com/serde-rs/serde/issues/2879">#2879</a>,
thanks <a
href="https://github.com/rcrisanti"><code>@​rcrisanti</code></a>)</li>
</ul>
<h2>v1.0.224</h2>
<ul>
<li>Remove private types being suggested in rustc diagnostics (<a
href="https://redirect.github.com/serde-rs/serde/issues/2979">#2979</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="1d7899d671"><code>1d7899d</code></a>
Release 1.0.225</li>
<li><a
href="97168d3a24"><code>97168d3</code></a>
Touch up PR 2879</li>
<li><a
href="373b11dda7"><code>373b11d</code></a>
Merge pull request 2879 from
rcrisanti/fix/silence-deprecation-warnings-derive</li>
<li><a
href="69072f2423"><code>69072f2</code></a>
Merge pull request 2931 from Mingun/unify-serde-access</li>
<li><a
href="5b37e8a531"><code>5b37e8a</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2980">#2980</a>
from dtolnay/private</li>
<li><a
href="b47f4dfa96"><code>b47f4df</code></a>
Unify access to the serde namespace</li>
<li><a
href="cbe98a9888"><code>cbe98a9</code></a>
Use differently named __private module per patch release</li>
<li><a
href="957996f5fb"><code>957996f</code></a>
Make all use of __private go through interpolation</li>
<li><a
href="169988206a"><code>1699882</code></a>
Release 1.0.224</li>
<li><a
href="840f6ec9b8"><code>840f6ec</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2979">#2979</a>
from dtolnay/private</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.223...v1.0.225">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.toml

@@ -128,7 +128,7 @@ rustls-pki-types = "1.12"
 rustc-hash = "2.1.1"
 script_traits = { path = "components/shared/script" }
 selectors = { git = "https://github.com/servo/stylo", branch = "2025-09-02" }
-serde = "1.0.223"
+serde = "1.0.225"
 serde_bytes = "0.11"
 serde_json = "1.0"
 servo-media = { git = "https://github.com/servo/media" }