build(deps): bump serde from 1.0.225 to 1.0.226 (#39445)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.225 to
1.0.226.
<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>v1.0.226</h2>
<ul>
<li>Deduplicate variant matching logic inside generated Deserialize impl
for adjacently tagged enums (<a
href="https://redirect.github.com/serde-rs/serde/issues/2935">#2935</a>,
thanks <a
href="https://github.com/Mingun"><code>@​Mingun</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="1799547846"><code>1799547</code></a>
Release 1.0.226</li>
<li><a
href="2dbeefb11b"><code>2dbeefb</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2935">#2935</a>
from Mingun/dedupe-adj-enums</li>
<li><a
href="8a3c29ff19"><code>8a3c29f</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2986">#2986</a>
from dtolnay/didnotwork</li>
<li><a
href="defc24d361"><code>defc24d</code></a>
Remove &quot;did not work&quot; comment from test suite</li>
<li><a
href="2316610760"><code>2316610</code></a>
Merge pull request <a
href="https://redirect.github.com/serde-rs/serde/issues/2929">#2929</a>
from Mingun/flatten-enum-tests</li>
<li><a
href="c09e2bd690"><code>c09e2bd</code></a>
Add tests for flatten unit variant in adjacently tagged (tag + content)
enums</li>
<li><a
href="fe7dcc4cd8"><code>fe7dcc4</code></a>
Test all possible orders of map entries for enum-flatten-in-struct
representa...</li>
<li><a
href="a20e66e131"><code>a20e66e</code></a>
Check serialization in
flatten::enum_::internally_tagged::unit_enum_with_unkn...</li>
<li><a
href="1c1a5d95cd"><code>1c1a5d9</code></a>
Reorder struct_ and newtype tests of adjacently_tagged enums to match
order i...</li>
<li><a
href="ee3c2372fb"><code>ee3c237</code></a>
Opt in to generate-macro-expansion when building on docs.rs</li>
<li>Additional commits viewable in <a
href="https://github.com/serde-rs/serde/compare/v1.0.225...v1.0.226">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=serde&package-manager=cargo&previous-version=1.0.225&new-version=1.0.226)](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. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -128,7 +128,7 @@ rustls-pemfile = "2.0"
 rustls-pki-types = "1.12"
 script_traits = { path = "components/shared/script" }
 selectors = { git = "https://github.com/servo/stylo", branch = "2025-09-02" }
-serde = "1.0.225"
+serde = "1.0.226"
 serde_bytes = "0.11"
 serde_json = "1.0"
 servo-media = { git = "https://github.com/servo/media" }