Auto merge of #26535 - servo:dependabot/cargo/walkdir-2.3.1, r=jdm

Bump walkdir from 2.2.7 to 2.3.1

Bumps [walkdir](https://github.com/BurntSushi/walkdir) from 2.2.7 to 2.3.1.
<details>
<summary>Commits</summary>
<ul>
<li><a href="00df609016"><code>00df609</code></a> 2.3.1</li>
<li><a href="ed87b1ee21"><code>ed87b1e</code></a> edition: switch to Rust 2018</li>
<li><a href="c584a1d56c"><code>c584a1d</code></a> style: switch to rustfmt</li>
<li><a href="dc7499a6c6"><code>dc7499a</code></a> ci: switch to actions-rs/toolchain</li>
<li><a href="003ee8378c"><code>003ee83</code></a> 2.3.0</li>
<li><a href="64367023b1"><code>6436702</code></a> style: use 'dyn' for trait objects</li>
<li><a href="580acab20f"><code>580acab</code></a> msrv: bump to 1.34.0</li>
<li><a href="901cadaa74"><code>901cada</code></a> ci: switch to GitHub Actions</li>
<li><a href="8e757b15d1"><code>8e757b1</code></a> readme: document MSRV policy</li>
<li><a href="7c7013259e"><code>7c70132</code></a> 2.2.9</li>
<li>Additional commits viewable in <a href="https://github.com/BurntSushi/walkdir/compare/2.2.7...2.3.1">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -6210,9 +6210,9 @@ checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 
 [[package]]
 name = "walkdir"
-version = "2.2.7"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
+checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
 dependencies = [
  "same-file",
  "winapi",