chore(package): update ember-moment to version 7.4.1

Closes #1352

Author: greenkeeper[bot]

package.json

@@ -73,7 +73,7 @@
     "ember-load-initializers": "^1.0.0",
     "ember-metrics": "0.11.0",
     "ember-modal-dialog": "2.3.0",
-    "ember-moment": "7.3.1",
+    "ember-moment": "7.4.1",
     "ember-normalize": "1.0.0",
     "ember-page-title": "tim-evans/ember-page-title",
     "ember-power-select": "1.8.5",