Auto merge of #2558 - rust-lang:dependabot/npm_and_yarn/ember-data-3.19.0, r=Turbo87

Bump ember-data from 3.18.0 to 3.19.0

Bumps [ember-data](https://github.com/emberjs/data) from 3.18.0 to 3.19.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/emberjs/data/blob/master/CHANGELOG.md">ember-data's changelog</a>.</em></p>
<blockquote>
<h2>Release 3.19.0 (June 5, 2020)</h2>
<ul>
<li><a href="https://github.com/emberjs/data/commit/76768a2fe85aacc8a6ea6006f2a8295bb11618bf">76768a2f</a> [BUGFIX] dont use Ember.get on internals (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7103">#7103</a>)</li>
<li><a href="https://github.com/emberjs/data/commit/6404a2db5c7b6a286f2a10926e508f93ea3b8371">6404a2db</a> [DOC] fix import path in JSON serializer documentation (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7111">#7111</a>)</li>
<li><a href="https://github-redirect.dependabot.com/emberjs/data/pull/6889">#6889</a> [DEPRECATION] deprecate intimate Reference.internalModel (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/6889">#6889</a>)</li>
<li><a href="https://github-redirect.dependabot.com/emberjs/data/pull/7146">#7146</a> [BUGFIX]: Fix errors while running yarn start (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7146">#7146</a>)</li>
<li><a href="https://github-redirect.dependabot.com/emberjs/data/pull/7198">#7198</a> [DOC] Update documentation around behavior of attr (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7198">#7198</a>)</li>
<li><a href="https://github.com/emberjs/data/commit/82d6f5860b9ac8f8a1590d9f136417165533740a">82d6f586</a> [DOC] Use native syntax in JSONAPISerializer documentation (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7200">#7200</a>)</li>
<li><a href="https://github-redirect.dependabot.com/emberjs/data/pull/7182">#7182</a> [BUGFIX] Cache identifers globally, not just per type</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/emberjs/data/commit/25207c20364f3cfba7ed38ce33a601acbda138d8"><code>25207c2</code></a> v3.19.0</li>
<li><a href="https://github.com/emberjs/data/commit/5506e98711ee69bf5bc7e94b5400f0ee8a78d43d"><code>5506e98</code></a> Update ember-source to 3.19</li>
<li><a href="https://github.com/emberjs/data/commit/74440149bea422bea6f629cdc169cc8104e2cff7"><code>7444014</code></a> Update Changelog for v3.19.0</li>
<li><a href="https://github.com/emberjs/data/commit/82d6f5860b9ac8f8a1590d9f136417165533740a"><code>82d6f58</code></a> [DOC] Use native syntax in JSONAPISerializer documentation (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7200">#7200</a>)</li>
<li><a href="https://github.com/emberjs/data/commit/4d2ea7d63f2e13f0793d569986ed5fad7c52752e"><code>4d2ea7d</code></a> [DOC] Update documentation around behavior of attr (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7198">#7198</a>)</li>
<li><a href="https://github.com/emberjs/data/commit/9724b58aa881dc5d115c1cf10e48515cd3ff8c67"><code>9724b58</code></a> [BUGFIX]: Fix errors while running yarn start (<a href="https://github-redirect.dependabot.com/emberjs/data/issues/7146">#7146</a>)</li>
<li><a href="https://github.com/emberjs/data/commit/5f31454ceda371fc58f3de65a14f8fd42537c7fa"><code>5f31454</code></a> Cache identifiers</li>
<li><a href="https://github.com/emberjs/data/commit/71c2428810a0d5480fdacb4317dfdd2ba282ede0"><code>71c2428</code></a> v3.19.0-beta.0</li>
<li><a href="https://github.com/emberjs/data/commit/5f1a155cf3571088df7779023050d97fedd5be59"><code>5f1a155</code></a> v3.18.0 Changelog</li>
<li><a href="https://github.com/emberjs/data/commit/fa5cdbf7d7a36da0b8f0871b77dac743d79d3190"><code>fa5cdbf</code></a> v3.17.1 changelog</li>
<li>Additional commits viewable in <a href="https://github.com/emberjs/data/compare/v3.18.0...v3.19.0">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=ember-data&package-manager=npm_and_yarn&previous-version=3.18.0&new-version=3.19.0)](https://dependabot.com/compatibility-score/?dependency-name=ember-data&package-manager=npm_and_yarn&previous-version=3.18.0&new-version=3.19.0)

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Author: bors