Auto merge of #26633 - servo:dependabot/cargo/proc-macro-hack-0.5.16, r=jdm

Bump proc-macro-hack from 0.5.9 to 0.5.16

Bumps [proc-macro-hack](https://github.com/dtolnay/proc-macro-hack) from 0.5.9 to 0.5.16.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/dtolnay/proc-macro-hack/releases">proc-macro-hack's releases</a>.</em></p>
<blockquote>
<h2>0.5.16</h2>
<ul>
<li>
<p>Handle macros whose definition contains interpolated macro_rules variables, such as:</p>
<pre lang="rust"><code>#[proc_macro_hack]
pub fn $name(input: TokenStream) -&gt; TokenStream {...}
<p></code></pre></p>
</li>
</ul>
<h2>0.5.15</h2>
<ul>
<li>Eliminate some possible dead_code warnings in generated code</li>
</ul>
<h2>0.5.14</h2>
<ul>
<li>Improve compile time by cutting out some dependencies</li>
</ul>
<h2>0.5.13</h2>
<p><em>yanked</em></p>
<h2>0.5.12</h2>
<ul>
<li>Better error message when exceeding the limit of nested macro invocations (<a href="https://github-redirect.dependabot.com/rust-lang/futures-rs/issues/2097">rust-lang/futures-rs#2097</a>)</li>
</ul>
<h2>0.5.11</h2>
<ul>
<li>Support macros named as raw identifier (<a href="https://github-redirect.dependabot.com/dtolnay/proc-macro-hack/issues/45">#45</a>, thanks <a href="https://github.com/olegnn">@olegnn</a>)</li>
</ul>
<h2>0.5.10</h2>
<ul>
<li>Support <code>proc_macro_hack(support_nested)</code> macros that expand to internal invocations of a different <code>proc_macro_hack(support_nested)</code> macro (<a href="https://github-redirect.dependabot.com/dtolnay/proc-macro-hack/issues/41">#41</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="35b1fa620a"><code>35b1fa6</code></a> Release 0.5.16</li>
<li><a href="be8a69630e"><code>be8a696</code></a> Try out a new style of readme badges</li>
<li><a href="442391cc32"><code>442391c</code></a> Add crosslink icons to top of rustdoc</li>
<li><a href="c749724847"><code>c749724</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/dtolnay/proc-macro-hack/issues/57">#57</a> from dtolnay/none</li>
<li><a href="51a988bc02"><code>51a988b</code></a> Traverse into None-delimited groups</li>
<li><a href="091e136512"><code>091e136</code></a> Wrap token iterator in a new type</li>
<li><a href="7bdb83bef1"><code>7bdb83b</code></a> Expand glob import</li>
<li><a href="476d25c42c"><code>476d25c</code></a> Tweak links to not look like quoted text</li>
<li><a href="740f779559"><code>740f779</code></a> Update build status badge to GitHub Actions</li>
<li><a href="5780dee32b"><code>5780dee</code></a> Remove Travis configuration</li>
<li>Additional commits viewable in <a href="https://github.com/dtolnay/proc-macro-hack/compare/0.5.9...0.5.16">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -4231,14 +4231,9 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.9"
+version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e688f31d92ffd7c1ddc57a1b4e6d773c0f2a14ee437a4b0a4f5a69c80eb221c8"
-dependencies = [
- "proc-macro2 1.0.1",
- "quote 1.0.2",
- "syn",
-]
+checksum = "7e0456befd48169b9f13ef0f0ad46d492cf9d2dbb918bcf38e01eed4ce3ec5e4"
 
 [[package]]
 name = "proc-macro-nested"