build: bump rayon from 1.11.0 to 1.12.0 (#44218)

Bumps [rayon](https://github.com/rayon-rs/rayon) from 1.11.0 to 1.12.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rayon-rs/rayon/blob/main/RELEASES.md">rayon's
changelog</a>.</em></p>
<blockquote>
<h1>Release rayon 1.12.0 (2026-04-13)</h1>
<ul>
<li>Fixed a bug in parallel <code>Range&lt;char&gt;</code> when the end
is 0xE000, just past the
surrogate boundary, which was unsafely producing invalid
<code>char</code> values.</li>
<li>The new method <code>ParallelSlice::par_array_windows</code> works
like <code>par_windows</code>
but with a constant length, producing <code>&amp;[T; N]</code>
items.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="7449d7dfed"><code>7449d7d</code></a>
Merge <a
href="https://redirect.github.com/rayon-rs/rayon/issues/1093">#1093</a></li>
<li><a
href="b3d9e3f473"><code>b3d9e3f</code></a>
Release rayon 1.8.0 and rayon-core 1.12.0</li>
<li><a
href="3fe51e5cbd"><code>3fe51e5</code></a>
Fix clippy::let_and_return</li>
<li><a
href="082f2152d2"><code>082f215</code></a>
Merge <a
href="https://redirect.github.com/rayon-rs/rayon/issues/1087">#1087</a></li>
<li><a
href="ea0c06df26"><code>ea0c06d</code></a>
core: registry: Factor out &quot;wait till out of work&quot; part of the
main loop.</li>
<li><a
href="75524e2957"><code>75524e2</code></a>
Merge <a
href="https://redirect.github.com/rayon-rs/rayon/issues/1063">#1063</a></li>
<li><a
href="01d2800376"><code>01d2800</code></a>
Ignore the multi-threaded test on emscripten/wasm</li>
<li><a
href="40b59c0e44"><code>40b59c0</code></a>
core: Make use_current_thread error rather than panic when already in
the pool.</li>
<li><a
href="f4db4d711e"><code>f4db4d7</code></a>
core: tests: Add some basic tests for
ThreadPoolBuilder::use_current_thread.</li>
<li><a
href="87274ad093"><code>87274ad</code></a>
core: registry: Add some more documentation for
ThreadPoolBuilder::use_curren...</li>
<li>Additional commits viewable in <a
href="https://github.com/rayon-rs/rayon/compare/rayon-core-v1.11.0...rayon-core-v1.12.0">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -6873,9 +6873,9 @@ checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
 [[package]]
 name = "rayon"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368f01d005bf8fd9b1206fb6fa653e6c4a81ceb1466406b81792d87c5677a58f"
+checksum = "fb39b166781f92d482534ef4b4b1b2568f42613b53e5b6c160e24cfbfa30926d"
 dependencies = [
  "either",
  "rayon-core",