Auto merge of rust-windowing#440 - servo:dependabot/npm_and_yarn/exam…

…ples/canvas_webgl_minimal/www/http-proxy-1.18.1, r=jdm

Bump http-proxy from 1.18.0 to 1.18.1 in /examples/canvas_webgl_minimal/www

Bumps [http-proxy](https://github.com/http-party/node-http-proxy) from 1.18.0 to 1.18.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/http-party/node-http-proxy/blob/master/CHANGELOG.md">http-proxy's changelog</a>.</em></p>
<blockquote>
<h2><a href="https://github.com/http-party/node-http-proxy/compare/1.18.0...v1.18.1">v1.18.1</a> - 2020-05-17</h2>
<h3>Merged</h3>
<ul>
<li>Skip sending the proxyReq event when the expect header is present <a href="https://github-redirect.dependabot.com/http-party/node-http-proxy/pull/1447"><code>[#1447](https://github.com/http-party/node-http-proxy/issues/1447)</code></a></li>
<li>Remove node6 support, add node12 to build <a href="https://github-redirect.dependabot.com/http-party/node-http-proxy/pull/1397"><code>[#1397](https://github.com/http-party/node-http-proxy/issues/1397)</code></a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/http-party/node-http-proxy/commit/9b96cd725127a024dabebec6c7ea8c807272223d"><code>9b96cd7</code></a> 1.18.1</li>
<li><a href="https://github.com/http-party/node-http-proxy/commit/335aeeba2f0c286dc89c402eeb76af47834c89a3"><code>335aeeb</code></a> Skip sending the proxyReq event when the expect header is present (<a href="https://github-redirect.dependabot.com/http-party/node-http-proxy/issues/1447">#1447</a>)</li>
<li><a href="https://github.com/http-party/node-http-proxy/commit/dba39668ba4c9ad461316e834b2d64b77e1ca88e"><code>dba3966</code></a> Remove node6 support, add node12 to build (<a href="https://github-redirect.dependabot.com/http-party/node-http-proxy/issues/1397">#1397</a>)</li>
<li>See full diff in <a href="https://github.com/http-party/node-http-proxy/compare/1.18.0...1.18.1">compare view</a></li>
</ul>
</details>
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