Auto merge of #26765 - servo:dependabot/cargo/xdg-2.2.0, r=jdm

Bump xdg from 2.1.0 to 2.2.0

Bumps [xdg](https://github.com/whitequark/rust-xdg) from 2.1.0 to 2.2.0.
<details>
<summary>Commits</summary>
<ul>
<li><a href="f404ae631b"><code>f404ae6</code></a> Bump version.</li>
<li><a href="090afef250"><code>090afef</code></a> Add methods to iterate over matching config/data files (<a href="https://github-redirect.dependabot.com/whitequark/rust-xdg/issues/20">#20</a>)</li>
<li><a href="a1c9249f78"><code>a1c9249</code></a> Treat redox as an *nix OS explicitly.</li>
<li><a href="e083a1d1d8"><code>e083a1d</code></a> Fix copy/paste errors.</li>
<li>See full diff in <a href="https://github.com/whitequark/rust-xdg/compare/v2.1.0...v2.2.0">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -6778,9 +6778,9 @@ dependencies = [
 
 [[package]]
 name = "xdg"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a66b7c2281ebde13cf4391d70d4c7e5946c3c25e72a7b859ca8f677dcd0b0c61"
+checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
 
 [[package]]
 name = "xi-unicode"