Auto merge of #2666 - rust-lang:dependabot/npm_and_yarn/ember-cli-3.20.0, r=Turbo87

Bump ember-cli from 3.19.0 to 3.20.0

Bumps [ember-cli](https://github.com/ember-cli/ember-cli) from 3.19.0 to 3.20.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/ember-cli/ember-cli/releases">ember-cli's releases</a>.</em></p>
<blockquote>
<h2>Release 3.20.0</h2>
<h4>Blueprint Changes</h4>
<ul>
<li><a href="https://github.com/ember-cli/ember-new-output/compare/v3.19.0...v3.20.0"><code>ember new</code> diff</a></li>
<li><a href="https://github.com/ember-cli/ember-addon-output/compare/v3.19.0...v3.20.0"><code>ember addon</code> diff</a></li>
</ul>
<h4>Changelog</h4>
<ul>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9211">#9211</a> bugfix: processAppMiddlewares - check server middleware files <a href="https://github.com/lifeart">@lifeart</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9215">#9215</a> Handle unexpected errors in development mode proxy <a href="https://github.com/houfeng0923">@houfeng0923</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9238">#9238</a> Add config/ember-cli-update.json to app and addon blueprints. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9262">#9262</a> Refactor release process. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9264">#9264</a> refactor: use Boolean constructor to cast variable in config/targets.js blueprint <a href="https://github.com/bmish">@bmish</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9273">#9273</a> Avoid relative imports in the default blueprint <a href="https://github.com/dfreeman">@dfreeman</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9277">#9277</a> Allow <code>ember install</code> to work with Yarn v2 <a href="https://github.com/caassandra">@caassandra</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9280">#9280</a> Remove <code>ember-default</code> ember-try scenario <a href="https://github.com/mehulkar">@mehulkar</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9281">#9281</a> Update blueprint dependencies to latest versions. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9282">#9282</a> Deprecate <code>PACKAGER</code> experiment. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9283">#9283</a> Remove macOS from CI matrix for slow/acceptance tests. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9284">#9284</a> Drop support for Node 13. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9286">#9286</a> Remove unused <code>lib/utilities/symbol.js</code> <a href="https://github.com/IzzatN">@IzzatN</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9287">#9287</a> Remove redundant guard in <code>Addon.prototype.moduleName</code> <a href="https://github.com/IzzatN">@IzzatN</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/ember-cli/ember-cli/blob/master/CHANGELOG.md">ember-cli's changelog</a>.</em></p>
<blockquote>
<h2>v3.20.0</h2>
<h4>Blueprint Changes</h4>
<ul>
<li><a href="https://github.com/ember-cli/ember-new-output/compare/v3.19.0...v3.20.0"><code>ember new</code> diff</a></li>
<li><a href="https://github.com/ember-cli/ember-addon-output/compare/v3.19.0...v3.20.0"><code>ember addon</code> diff</a></li>
</ul>
<h4>Changelog</h4>
<ul>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9211">#9211</a> bugfix: processAppMiddlewares - check server middleware files <a href="https://github.com/lifeart">@lifeart</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9215">#9215</a> Handle unexpected errors in development mode proxy <a href="https://github.com/houfeng0923">@houfeng0923</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9238">#9238</a> Add config/ember-cli-update.json to app and addon blueprints. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9262">#9262</a> Refactor release process. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9264">#9264</a> refactor: use Boolean constructor to cast variable in config/targets.js blueprint <a href="https://github.com/bmish">@bmish</a></li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/032e9a8851af869c7e0cf5ef8c3d930ade38b6c1">032e9a8851af869c7e0cf5ef8c3d930ade38b6c1</a> Merge branch 'master' into default-blueprint-absolute-imports <a href="https://github.com/dfreeman">@dfreeman</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9273">#9273</a> Avoid relative imports in the default blueprint <a href="https://github.com/dfreeman">@dfreeman</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9277">#9277</a> Allow <code>ember install</code> to work with Yarn v2 <a href="https://github.com/caassandra">@caassandra</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9280">#9280</a> Remove <code>ember-default</code> ember-try scenario <a href="https://github.com/mehulkar">@mehulkar</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9281">#9281</a> Update blueprint dependencies to latest versions. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9282">#9282</a> Deprecate <code>PACKAGER</code> experiment. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9283">#9283</a> Remove macOS from CI matrix for slow/acceptance tests. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9284">#9284</a> Drop support for Node 13. <a href="https://github.com/rwjblue">@rwjblue</a></li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/56461f26a9b81833f424bf1a23c7ce502d35a43b">56461f26a9b81833f424bf1a23c7ce502d35a43b</a> Merge branch 'master' into master <a href="https://github.com/caassandra">@caassandra</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9286">#9286</a> Remove unused <code>lib/utilities/symbol.js</code> <a href="https://github.com/IzzatN">@IzzatN</a></li>
<li><a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/pull/9287">#9287</a> Remove redundant guard in <code>Addon.prototype.moduleName</code> <a href="https://github.com/IzzatN">@IzzatN</a></li>
</ul>
<p>Thank you to all who took the time to contribute!</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/ember-cli/ember-cli/commit/829cb520ac8baed9f8ff3f8efad6de7daa976a53"><code>829cb52</code></a> Release 3.20.0</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/825631ed914a7974d0755d67d81d27c993249609"><code>825631e</code></a> Add 3.20.0 to CHANGELOG.md</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/9dbfd5fd59ad05e63fc55c4aaac816092bcbbcd7"><code>9dbfd5f</code></a> Update ember-source + @glimmer/component to resolve deprecations</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/23f21e0723fedb076af9b0e0b998c2948fecc4e5"><code>23f21e0</code></a> Release 3.20.0-beta.1</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/17c3ba7b37ad220ba5755ed3f12ddb9dc2466712"><code>17c3ba7</code></a> Add v3.20.0-beta.1 to CHANGELOG.md.</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/81d73c3f9417ff895c8bafe8ce6fce6d355ce94b"><code>81d73c3</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/issues/9286">#9286</a> from IzzatN/remove-symbol-utility</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/df32d286325ad25625b45ec01b985e7390db9d19"><code>df32d28</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/issues/9287">#9287</a> from IzzatN/fix-moduleprefix-check</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/cd13f5780e768d6293643f801d2c4ed90364a6ab"><code>cd13f57</code></a> remove redundant check</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/9c8e56c2be2ed289d3bb54b11f6ff236fe10723a"><code>9c8e56c</code></a> remove symbol utility</li>
<li><a href="https://github.com/ember-cli/ember-cli/commit/afb31dd97b3d03f428ba919b049e9ac5ac9807d8"><code>afb31dd</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ember-cli/ember-cli/issues/9277">#9277</a> from caassandra/master</li>
<li>Additional commits viewable in <a href="https://github.com/ember-cli/ember-cli/compare/v3.19.0...v3.20.0">compare view</a></li>
</ul>
</details>
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Author: bors