chore(deps): stable ember infrastructure

Author: renovate-bot

package.json

@@ -29,9 +29,9 @@
     "@types/rsvp": "4.0.3",
     "babel-eslint": "10.1.0",
     "broccoli-asset-rev": "3.0.0",
-    "ember-cli": "3.8.3",
+    "ember-cli": "3.19.0",
     "ember-cli-app-version": "3.2.0",
-    "ember-cli-dependency-checker": "3.1.0",
+    "ember-cli-dependency-checker": "3.2.0",
     "ember-cli-htmlbars-inline-precompile": "3.0.1",
     "ember-cli-inject-live-reload": "2.0.2",
     "ember-cli-qunit": "4.4.0",
@@ -41,11 +41,11 @@
     "ember-disable-prototype-extensions": "1.1.3",
     "ember-disable-proxy-controllers": "1.0.2",
     "ember-export-application-global": "2.0.1",
-    "ember-load-initializers": "2.0.0",
+    "ember-load-initializers": "2.1.1",
     "ember-maybe-import-regenerator": "0.1.6",
     "ember-qunit-decorators": "1.5.0",
     "ember-resolver": "8.0.0",
-    "ember-source": "3.8.3",
+    "ember-source": "3.19.0",
     "ember-source-channel-url": "1.2.0",
     "ember-try": "1.4.0",
     "eslint-plugin-ember": "8.9.1",