Bump postcss from 7.0.18 to 7.0.36 in /website (#1818)

Summary:
Bumps [postcss](https://github.com/postcss/postcss) from 7.0.18 to 7.0.36.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/postcss/postcss/releases">postcss's releases</a>.</em></p>
<blockquote>
<h2>7.0.36</h2>
<ul>
<li>Backport ReDoS vulnerabilities from PostCSS 8.</li>
</ul>
<h2>7.0.35</h2>
<ul>
<li>Add <a href="https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users">migration guide link</a> to PostCSS 8 error text.</li>
</ul>
<h2>7.0.34</h2>
<ul>
<li>Fix compatibility with <code>postcss-scss</code> 2.</li>
</ul>
<h2>7.0.33</h2>
<ul>
<li>Add error message for PostCSS 8 plugins.</li>
</ul>
<h2>7.0.32</h2>
<ul>
<li>Fix error message (by <a href="https://github.com/admosity"><code>@​admosity</code></a>).</li>
</ul>
<h2>7.0.31</h2>
<ul>
<li>Use only the latest source map annotation (by <a href="https://github.com/emzoumpo"><code>@​emzoumpo</code></a>).</li>
</ul>
<h2>7.0.30</h2>
<ul>
<li>Fix TypeScript definition (by <a href="https://github.com/nex3"><code>@​nex3</code></a>)</li>
</ul>
<h2>7.0.29</h2>
<ul>
<li>Update <code>Processor#version</code>.</li>
</ul>
<h2>7.0.28</h2>
<ul>
<li>Fix TypeScript definition (by <a href="https://github.com/nex3"><code>@​nex3</code></a>).</li>
</ul>
<h2>7.0.27</h2>
<ul>
<li>Fix TypeScript definition (by <a href="https://github.com/nex3"><code>@​nex3</code></a>).</li>
</ul>
<h2>7.0.26</h2>
<ul>
<li>Fix TypeScript definition (by <a href="https://github.com/nex3"><code>@​nex3</code></a>)</li>
</ul>
<h2>7.0.25</h2>
<ul>
<li>Fix absolute path support for Windows (by <a href="https://github.com/tomrav"><code>@​tomrav</code></a>)</li>
</ul>
<h2>7.0.24</h2>
<ul>
<li>Fix TypeScript definition (by <a href="https://github.com/keithamus"><code>@​keithamus</code></a>).</li>
</ul>
<h2>7.0.23</h2>
<ul>
<li>Update <code>Processor#version</code>.</li>
</ul>
<h2>7.0.22</h2>
<ul>
<li>Add funding link for <code>npm fund</code>.</li>
</ul>
<h2>7.0.21</h2>
<ul>
<li>Revert passing <code>nodes</code> property to node constructor.</li>
</ul>
<h2>7.0.20</h2>
<ul>
<li>Allow to pass PostCSS’s nodes in <code>nodes</code> property to node constructor.</li>
</ul>

</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/postcss/postcss/blob/main/CHANGELOG.md">postcss's changelog</a>.</em></p>
<blockquote>
<h2>7.0.36</h2>
<ul>
<li>Backport ReDoS vulnerabilities from PostCSS 8.</li>
</ul>
<h2>7.0.35</h2>
<ul>
<li>Add migration guide link to PostCSS 8 error text.</li>
</ul>
<h2>7.0.34</h2>
<ul>
<li>Fix compatibility with <code>postcss-scss</code> 2.</li>
</ul>
<h2>7.0.33</h2>
<ul>
<li>Add error message for PostCSS 8 plugins.</li>
</ul>
<h2>7.0.36</h2>
<ul>
<li>Backport ReDoS vulnerabilities from PostCSS 8.</li>
</ul>
<h2>7.0.35</h2>
<ul>
<li>Add migration guide link to PostCSS 8 error text.</li>
</ul>
<h2>7.0.34</h2>
<ul>
<li>Fix compatibility with <code>postcss-scss</code> 2.</li>
</ul>
<h2>7.0.33</h2>
<ul>
<li>Add error message for PostCSS 8 plugins.</li>
</ul>
<h2>7.0.32</h2>
<ul>
<li>Fix error message (by <a href="https://github.com/admosity"><code>@​admosity</code></a>).</li>
</ul>
<h2>7.0.31</h2>
<ul>
<li>Use only the latest source map annotation (by Emmanouil Zoumpoulakis).</li>
</ul>
<h2>7.0.30</h2>
<ul>
<li>Fix TypeScript definition (by Natalie Weizenbaum).</li>
</ul>
<h2>7.0.29</h2>
<ul>
<li>Update <code>Processor#version</code>.</li>
</ul>
<h2>7.0.28</h2>
<ul>
<li>Fix TypeScript definition (by Natalie Weizenbaum).</li>
</ul>
<h2>7.0.27</h2>
<ul>
<li>Fix TypeScript definition (by Natalie Weizenbaum).</li>
</ul>
<h2>7.0.26</h2>
<ul>
<li>Fix TypeScript definition (by Natalie Weizenbaum).</li>
</ul>
<h2>7.0.25</h2>
<ul>
<li>Fix absolute path support for Windows (by Tom Raviv).</li>
</ul>
<h2>7.0.24</h2>
<ul>
<li>Fix TypeScript definition (by Keith Cirkel).</li>
</ul>

</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/postcss/postcss/commit/67e3d7b3402c5d3d036ab7c1e781f86910d6ca72"><code>67e3d7b</code></a> Release 7.0.36 version</li>
<li><a href="https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734"><code>54cbf3c</code></a> Backport ReDoS vulnerabilities from PostCSS 8</li>
<li><a href="https://github.com/postcss/postcss/commit/12832f3d203474bd273bd06bd3b2407567bfe09e"><code>12832f3</code></a> Release 7.0.35 version</li>
<li><a href="https://github.com/postcss/postcss/commit/4455ef6baf84ceea87cb662131f95d798063896c"><code>4455ef6</code></a> Use OpenCollective in funding</li>
<li><a href="https://github.com/postcss/postcss/commit/e867c794b5d646839350dd4b76f3cc81423413e6"><code>e867c79</code></a> Add migration guide to PostCSS 8 error</li>
<li><a href="https://github.com/postcss/postcss/commit/32a22a98bc4de9c7a2489041ceae24eedc62144f"><code>32a22a9</code></a> Release 7.0.34 version</li>
<li><a href="https://github.com/postcss/postcss/commit/22939829688574b9acdbd29106ca2ec9470b2b17"><code>2293982</code></a> Lock build targets</li>
<li><a href="https://github.com/postcss/postcss/commit/2c3a111a940b373a60fae196e63931b3b6e9d8ca"><code>2c3a111</code></a> Release 7.0.33 version</li>
<li><a href="https://github.com/postcss/postcss/commit/4105f21b48d75847e822e89746633792c478922b"><code>4105f21</code></a> Use yaspeller instead of yaspeller-ci</li>
<li><a href="https://github.com/postcss/postcss/commit/c8d02a0da503f9fa5d96a854a2c9244710c18c72"><code>c8d02a0</code></a> Revert yaspeller-ci removal</li>
<li>Additional commits viewable in <a href="https://github.com/postcss/postcss/compare/7.0.18...7.0.36">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=postcss&package-manager=npm_and_yarn&previous-version=7.0.18&new-version=7.0.36)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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</details>

Pull Request resolved: #1818

Reviewed By: zmroczek

Differential Revision: D30839650

Pulled By: wizh

fbshipit-source-id: d93a662e0be4a500a66c481a6025d49f2e7a0f27

Author: dependabot[bot]

website/yarn.lock

@@ -5127,9 +5127,9 @@ postcss-value-parser@^4.0.0:
   integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
 postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.17, postcss@^7.0.5:
-  version "7.0.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.18.tgz#4b9cda95ae6c069c67a4d933029eddd4838ac233"
-  integrity sha512-/7g1QXXgegpF+9GJj4iN7ChGF40sYuGYJ8WZu8DZWnmhQ/G36hfdk3q9LBJmoK+lZ+yzZ5KYpOoxq7LF1BxE8g==
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"