Auto merge of #28825 - servo:dependabot/cargo/memchr-2.4.1, r=jdm

Bump memchr from 2.3.4 to 2.4.1

Bumps [memchr](https://github.com/BurntSushi/memchr) from 2.3.4 to 2.4.1.
<details>
<summary>Commits</summary>
<ul>
<li><a href="8e1da98fee"><code>8e1da98</code></a> 2.4.1</li>
<li><a href="58f29ad851"><code>58f29ad</code></a> cargo: add metadata to build as a dep of libstd</li>
<li><a href="186ac04b6f"><code>186ac04</code></a> doc: fix a few typos</li>
<li><a href="cd0e652043"><code>cd0e652</code></a> doc: update repository URLs</li>
<li><a href="e42d0516cf"><code>e42d051</code></a> bench: add another benchmark run</li>
<li><a href="3d405e85a2"><code>3d405e8</code></a> bench: update to sliceslice 0.3.0</li>
<li><a href="22221da145"><code>22221da</code></a> bench: add sliceslice 'haystack' benchmark</li>
<li><a href="66aacfb0b3"><code>66aacfb</code></a> bench: drop regex from pretty output</li>
<li><a href="f6b88a0efb"><code>f6b88a0</code></a> bench: add another run</li>
<li><a href="f6a1a97bef"><code>f6a1a97</code></a> scripts: add script to generate frequency table</li>
<li>Additional commits viewable in <a href="https://github.com/BurntSushi/memchr/compare/2.3.4...2.4.1">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -3719,9 +3719,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "memmap2"