Bump prismjs from 1.20.0 to 1.21.0 in /website (#1300)

Summary:
Bumps [prismjs](https://github.com/PrismJS/prism) from 1.20.0 to 1.21.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/PrismJS/prism/releases">prismjs's releases</a>.</em></p>
<blockquote>
<h2>v1.21.0</h2>
<p>Release 1.21.0</p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/PrismJS/prism/blob/master/CHANGELOG.md">prismjs's changelog</a>.</em></p>
<blockquote>
<h2>1.21.0 (2020-08-06)</h2>
<h3>New components</h3>
<ul>
<li><strong>.ignore</strong> &amp; <strong>.gitignore</strong> &amp; <strong>.hgignore</strong> &amp; <strong>.npmignore</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2481">#2481</a>) <a href="https://github.com/PrismJS/prism/commit/3fcce6fe"><code>3fcce6fe</code></a></li>
<li><strong>Agda</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2430">#2430</a>) <a href="https://github.com/PrismJS/prism/commit/3a127c7d"><code>3a127c7d</code></a></li>
<li><strong>AL</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2300">#2300</a>) <a href="https://github.com/PrismJS/prism/commit/de21eb64"><code>de21eb64</code></a></li>
<li><strong>Cypher</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2459">#2459</a>) <a href="https://github.com/PrismJS/prism/commit/398e2943"><code>398e2943</code></a></li>
<li><strong>Dhall</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2473">#2473</a>) <a href="https://github.com/PrismJS/prism/commit/649e51e5"><code>649e51e5</code></a></li>
<li><strong>EditorConfig</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2471">#2471</a>) <a href="https://github.com/PrismJS/prism/commit/ed8fff91"><code>ed8fff91</code></a></li>
<li><strong>HLSL</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2318">#2318</a>) <a href="https://github.com/PrismJS/prism/commit/87a5c7ae"><code>87a5c7ae</code></a></li>
<li><strong>JS stack trace</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2418">#2418</a>) <a href="https://github.com/PrismJS/prism/commit/ae0327b3"><code>ae0327b3</code></a></li>
<li><strong>PeopleCode</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2302">#2302</a>) <a href="https://github.com/PrismJS/prism/commit/bd4d8165"><code>bd4d8165</code></a></li>
<li><strong>PureBasic</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2369">#2369</a>) <a href="https://github.com/PrismJS/prism/commit/d0c1c70d"><code>d0c1c70d</code></a></li>
<li><strong>Racket</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2315">#2315</a>) <a href="https://github.com/PrismJS/prism/commit/053016ef"><code>053016ef</code></a></li>
<li><strong>Smali</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2419">#2419</a>) <a href="https://github.com/PrismJS/prism/commit/22eb5cad"><code>22eb5cad</code></a></li>
<li><strong>Structured Text (IEC 61131-3)</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2311">#2311</a>) <a href="https://github.com/PrismJS/prism/commit/8704cdfb"><code>8704cdfb</code></a></li>
<li><strong>UnrealScript</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2305">#2305</a>) <a href="https://github.com/PrismJS/prism/commit/1093ceb3"><code>1093ceb3</code></a></li>
<li><strong>WarpScript</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2307">#2307</a>) <a href="https://github.com/PrismJS/prism/commit/cde5b0fa"><code>cde5b0fa</code></a></li>
<li><strong>XML doc (.net)</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2340">#2340</a>) <a href="https://github.com/PrismJS/prism/commit/caec5e30"><code>caec5e30</code></a></li>
<li><strong>YANG</strong> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2467">#2467</a>) <a href="https://github.com/PrismJS/prism/commit/ed1df1e1"><code>ed1df1e1</code></a></li>
</ul>
<h3>Updated components</h3>
<ul>
<li>Markup &amp; JSON: Added new aliases (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2390">#2390</a>) <a href="https://github.com/PrismJS/prism/commit/9782cfe6"><code>9782cfe6</code></a></li>
<li>Fixed several cases of exponential backtracking (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2268">#2268</a>) <a href="https://github.com/PrismJS/prism/commit/7a554b5f"><code>7a554b5f</code></a></li>
<li><strong>APL</strong>
<ul>
<li>Added <code>⍥</code> (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2409">#2409</a>) <a href="https://github.com/PrismJS/prism/commit/0255cb6a"><code>0255cb6a</code></a></li>
</ul>
</li>
<li><strong>AutoHotkey</strong>
<ul>
<li>Added missing <code>format</code> built-in (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2450">#2450</a>) <a href="https://github.com/PrismJS/prism/commit/7c66cfc4"><code>7c66cfc4</code></a></li>
<li>Improved comments and other improvements (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2412">#2412</a>) <a href="https://github.com/PrismJS/prism/commit/ddf3cc62"><code>ddf3cc62</code></a></li>
<li>Added missing definitions (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2400">#2400</a>) <a href="https://github.com/PrismJS/prism/commit/4fe03676"><code>4fe03676</code></a></li>
</ul>
</li>
<li><strong>Bash</strong>
<ul>
<li>Added <code>composer</code> command (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2298">#2298</a>) <a href="https://github.com/PrismJS/prism/commit/044dd271"><code>044dd271</code></a></li>
</ul>
</li>
<li><strong>Batch</strong>
<ul>
<li>Fix escaped double quote (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2485">#2485</a>) <a href="https://github.com/PrismJS/prism/commit/f0f8210c"><code>f0f8210c</code></a></li>
</ul>
</li>
<li><strong>C</strong>
<ul>
<li>Improved macros and expressions (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2440">#2440</a>) <a href="https://github.com/PrismJS/prism/commit/8a72fa6f"><code>8a72fa6f</code></a></li>
<li>Improved macros (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2320">#2320</a>) <a href="https://github.com/PrismJS/prism/commit/fdcf7ed2"><code>fdcf7ed2</code></a></li>
</ul>
</li>
<li><strong>C#</strong>
<ul>
<li>Improved pattern matching (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2411">#2411</a>) <a href="https://github.com/PrismJS/prism/commit/7f341fc1"><code>7f341fc1</code></a></li>
<li>Fixed adjacent string interpolations (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2402">#2402</a>) <a href="https://github.com/PrismJS/prism/commit/2a2e79ed"><code>2a2e79ed</code></a></li>
</ul>
</li>
<li><strong>C++</strong>
<ul>
<li>Added support for default comparison operator (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2426">#2426</a>) <a href="https://github.com/PrismJS/prism/commit/8e9d161c"><code>8e9d161c</code></a></li>
<li>Improved class name detection (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2348">#2348</a>) <a href="https://github.com/PrismJS/prism/commit/e3fe9040"><code>e3fe9040</code></a></li>
<li>Fixed <code>enum class</code> class names (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2342">#2342</a>) <a href="https://github.com/PrismJS/prism/commit/30b4e254"><code>30b4e254</code></a></li>
</ul>
</li>
<li><strong>Content-Security-Policy</strong>
<ul>
<li>Fixed directives (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2461">#2461</a>) <a href="https://github.com/PrismJS/prism/commit/537a9e80"><code>537a9e80</code></a></li>
</ul>
</li>
<li><strong>CSS</strong>
<ul>
<li>Improved url and added keywords (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2432">#2432</a>) <a href="https://github.com/PrismJS/prism/commit/964de5a1"><code>964de5a1</code></a></li>
</ul>
</li>
</ul>

</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="187c8a607e"><code>187c8a6</code></a> 1.21.0</li>
<li><a href="bf4f323391"><code>bf4f323</code></a> Changelog for v1.21.0 (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2507">#2507</a>)</li>
<li><a href="8bba488020"><code>8bba488</code></a> Previewers: Fixed XSS (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2506">#2506</a>)</li>
<li><a href="158caf5234"><code>158caf5</code></a> JSON: Greedy comments (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2479">#2479</a>)</li>
<li><a href="f0f8210c1a"><code>f0f8210</code></a> Batch: Fix escaped double quote (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2485">#2485</a>)</li>
<li><a href="649e51e562"><code>649e51e</code></a> Added support for Dhall (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2473">#2473</a>)</li>
<li><a href="453079bf96"><code>453079b</code></a> Line Numbers: Fixed class name on website</li>
<li><a href="a0efa40bde"><code>a0efa40</code></a> Fixed Treeview page (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2484">#2484</a>)</li>
<li><a href="78161d607f"><code>78161d6</code></a> VB: Added VBA alias (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2469">#2469</a>)</li>
<li><a href="ed1df1e120"><code>ed1df1e</code></a> Added support for YANG (<a href="https://github-redirect.dependabot.com/PrismJS/prism/issues/2467">#2467</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/PrismJS/prism/compare/v1.20.0...v1.21.0">compare view</a></li>
</ul>
</details>
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Pull Request resolved: https://github.com/facebook/infer/pull/1300

Reviewed By: ezgicicek

Differential Revision: D23572371

Pulled By: jvillard

fbshipit-source-id: 40abc8d8a

website/yarn.lock

@@ -7373,9 +7373,9 @@ prism-react-renderer@^1.1.0:
   integrity sha512-MgMhSdHuHymNRqD6KM3eGS0PNqgK9q4QF5P0yoQQvpB6jNjeSAi3jcSAz0Sua/t9fa4xDOMar9HJbLa08gl9ug==
 
 prismjs@^1.20.0:
-  version "1.20.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.20.0.tgz#9b685fc480a3514ee7198eac6a3bf5024319ff03"
-  integrity sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
+  integrity sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==
   optionalDependencies:
     clipboard "^2.0.0"