Auto merge of #27568 - servo:dependabot/cargo/serde-1.0.115, r=jdm

Bump serde from 1.0.111 to 1.0.115

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.111 to 1.0.115.
<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>v1.0.115</h2>
<ul>
<li>Support <code>#[serde(flatten)]</code> on a field whose type is a type parameter and concrete type is <code>()</code> (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/1873">#1873</a>)</li>
</ul>
<h2>v1.0.114</h2>
<ul>
<li>Improve <code>packed</code> repr matching to support deriving Serialize for structs having <code>repr(C, packed)</code> (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/1813">#1813</a>, thanks <a href="https://github.com/TannerRogalsky">@TannerRogalsky</a>)</li>
</ul>
<h2>v1.0.113</h2>
<ul>
<li>Improve diagnostic when a serde trait is not implemented (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/1827">#1827</a>, thanks <a href="https://github.com/taiki-e">@taiki-e</a>)</li>
</ul>
<h2>v1.0.112</h2>
<ul>
<li>Support <code>serde(flatten)</code> on map types where the Serializer only works with serialize_entry (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/1837">#1837</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="2ef60b62ac"><code>2ef60b6</code></a> Release 1.0.115</li>
<li><a href="e6f086d85e"><code>e6f086d</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/1874">#1874</a> from dtolnay/flatunit</li>
<li><a href="bf76f50294"><code>bf76f50</code></a> Support deserializing flattened unit</li>
<li><a href="ba07075590"><code>ba07075</code></a> Support serializing flattened unit</li>
<li><a href="26186bddd1"><code>26186bd</code></a> Add test for flattened unit</li>
<li><a href="53b9871b17"><code>53b9871</code></a> Quote no longer requires high recursion</li>
<li><a href="f8787c3ca8"><code>f8787c3</code></a> Suppress match_like_matches_macro clippy lint</li>
<li><a href="3022064f84"><code>3022064</code></a> Suppress option_if_let_else clippy pedantic lint</li>
<li><a href="9e140a2071"><code>9e140a2</code></a> Tweak yaml format blurb</li>
<li><a href="24e6acbfae"><code>24e6acb</code></a> Drop 'help or discussion' issue template</li>
<li>Additional commits viewable in <a href="https://github.com/serde-rs/serde/compare/v1.0.111...v1.0.115">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -5053,9 +5053,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.111"
+version = "1.0.115"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9124df5b40cbd380080b2cc6ab894c040a3070d995f5c9dc77e18c34a8ae37d"
+checksum = "e54c9a88f2da7238af84b5101443f0c0d0a3bbdc455e34a5c9497b1903ed55d5"
 dependencies = [
  "serde_derive",
 ]
@@ -5071,9 +5071,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.111"
+version = "1.0.115"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f2c3ac8e6ca1e9c80b8be1023940162bf81ae3cffbb1809474152f2ce1eb250"
+checksum = "609feed1d0a73cc36a0182a840a9b37b4a82f0b1150369f0536a9e3f2a31dc48"
 dependencies = [
  "proc-macro2 1.0.17",
  "quote 1.0.2",
@@ -5929,9 +5929,9 @@ checksum = "e454d048db5527d000bfddb77bd072bbf3a1e2ae785f16d9bd116e07c2ab45eb"
 
 [[package]]
 name = "syn"
-version = "1.0.31"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5304cfdf27365b7585c25d4af91b35016ed21ef88f17ced89c7093b43dba8b6"
+checksum = "e69abc24912995b3038597a7a593be5053eb0fb44f3cc5beec0deb421790c1f4"
 dependencies = [
  "proc-macro2 1.0.17",
  "quote 1.0.2",