Auto merge of #491 - servo:dependabot/cargo/typed-arena-2.0.2, r=jdm

Update typed-arena requirement from 1.3.0 to 2.0.2

Updates the requirements on [typed-arena](https://github.com/SimonSapin/rust-typed-arena) to permit the latest version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/SimonSapin/rust-typed-arena/blob/master/CHANGELOG.md">typed-arena's changelog</a>.</em></p>
<blockquote>
<h2>Unreleased</h2>
<p>Released YYYY/MM/DD.</p>
<h3>Added</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<h3>Changed</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<h3>Deprecated</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<h3>Removed</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<h3>Security</h3>
<ul>
<li>TODO (or remove section if none)</li>
</ul>
<hr />
<h2>2.0.1</h2>
<p>Released 2019/01/10.</p>
<h3>Fixed</h3>
<ul>
<li>Support <code>#![no_std]</code> on stable Rust.</li>
</ul>
<hr />
<h2>2.0.0</h2>
<p>Released 2019/12/03.</p>
<h3>Fixed</h3>
<ul>
<li>Fixed some intra-documentation URLs.</li>
</ul>
<hr />
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</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/239d236e6dd756b15d50c1d6eef5703b7f28bc61"><code>239d236</code></a> Prep release 2.0.2</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/b92091aaabdb7f36571c8302fbe8e17a7327354c"><code>b92091a</code></a> Avoid invalidating provenance of outstanding references in <code>alloc_extend</code>. Fi...</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/6e8f574228327419d104b08bafcb52e0ff98a0dd"><code>6e8f574</code></a> Remove <code>#[cfg_attr(miri, ignore)]</code> from tests</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/6a3e6eef5b2417c418f7572fafd0e881ed71e10f"><code>6a3e6ee</code></a> Enable miri in CI and bump MSRV</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/80d469e7c6099bfc96ae105b36bbb8f998444414"><code>80d469e</code></a> Avoid intermediate slice reference in <code>uninitialized_array</code> (fixes <a href="https://github-redirect.dependabot.com/SimonSapin/rust-typed-arena/issues/54">#54</a>)</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/afbe7b7256e3e59c4a6285f13774065b2ea1da7f"><code>afbe7b7</code></a> Replace travis with github actions in the README's CI badge</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/dad4f6d97e7fdf979672fa097030c0fbea79e214"><code>dad4f6d</code></a> Only run CI on {PRs against,pushes to master} and fix MSRV CI</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/9560241e75208f3288838fabaa96f420d9646acc"><code>9560241</code></a> Remove travis CI</li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/400b56b8cc49ffe3f6ade21c248f76728caa5b77"><code>400b56b</code></a> Run <code>rustfmt</code></li>
<li><a href="https://github.com/SimonSapin/rust-typed-arena/commit/17738fbb7cad48618aa27b277d880e3c8e09c22e"><code>17738fb</code></a> Convert CI to github actions</li>
<li>Additional commits viewable in <a href="https://github.com/SimonSapin/rust-typed-arena/compare/1.3.0...2.0.2">compare view</a></li>
</ul>
</details>
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html5ever/Cargo.toml

@@ -17,7 +17,7 @@ mac = "0.1"
 markup5ever = { version = "0.11", path = "../markup5ever" }
 
 [dev-dependencies]
-typed-arena = "1.3.0"
+typed-arena = "2.0.2"
 
 [target.'cfg(bench)'.dev-dependencies]
 criterion = "0.3"