Auto merge of #2545 - rust-lang:dependabot/npm_and_yarn/ember-source-3.19.0, r=Turbo87

Bump ember-source from 3.18.1 to 3.19.0

Bumps [ember-source](https://github.com/emberjs/ember.js) from 3.18.1 to 3.19.0.

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Author: bors

package-lock.json

@@ -86,7 +86,7 @@
     "ember-qunit": "^4.6.0",
     "ember-resolver": "^8.0.0",
     "ember-router-scroll": "^2.0.1",
-    "ember-source": "~3.18.1",
+    "ember-source": "~3.19.0",
     "ember-svg-jar": "^2.2.3",
     "ember-template-lint": "^2.8.0",
     "ember-test-selectors": "^4.1.0",