Auto merge of #26738 - servo:dependabot/cargo/rustc-demangle-0.1.16, r=jdm

Bump rustc-demangle from 0.1.4 to 0.1.16

Bumps [rustc-demangle](https://github.com/alexcrichton/rustc-demangle) from 0.1.4 to 0.1.16.
<details>
<summary>Commits</summary>
<ul>
<li><a href="23f19337af"><code>23f1933</code></a> Bump to 0.1.16</li>
<li><a href="51cb6ead7b"><code>51cb6ea</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/alexcrichton/rustc-demangle/issues/30">#30</a> from eddyb/trailing-dots</li>
<li><a href="c1eeee66d3"><code>c1eeee6</code></a> v0: also support preserving extra suffixes found after mangled symbol.</li>
<li><a href="23654c7170"><code>23654c7</code></a> legacy: handle extra suffixes after parsing the _ZN...E part of the symbol name.</li>
<li><a href="d0fc0e190b"><code>d0fc0e1</code></a> v0: port <code>demangle_thinlto</code> test from legacy.</li>
<li><a href="016ca6e24b"><code>016ca6e</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/alexcrichton/rustc-demangle/issues/29">#29</a> from eddyb/legacy-unescape</li>
<li><a href="c3c684ee33"><code>c3c684e</code></a> legacy: unescape all $u...$ that encode non-control Unicode codepoints.</li>
<li><a href="de656cdd0b"><code>de656cd</code></a> Bump to 0.1.15</li>
<li><a href="5d697bc5f4"><code>5d697bc</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/alexcrichton/rustc-demangle/issues/26">#26</a> from eddyb/underscore-escaping</li>
<li><a href="9f43a300f3"><code>9f43a30</code></a> v0: allow identifiers to start with a digit.</li>
<li>Additional commits viewable in <a href="https://github.com/alexcrichton/rustc-demangle/compare/0.1.4...0.1.16">compare view</a></li>
</ul>
</details>
<br />

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[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

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Cargo.lock

@@ -4522,9 +4522,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.4"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3058a43ada2c2d0b92b3ae38007a2d0fa5e9db971be260e0171408a4ff471c95"
+checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 
 [[package]]
 name = "rustc-hash"