update ember-array-helper to fix CI

Author: mansona

package-lock.json

@@ -45,7 +45,7 @@
     "babel-eslint": "^8.2.6",
     "broccoli-asset-rev": "^3.0.0",
     "ember-a11y-landmarks": "^1.0.1",
-    "ember-array-helper": "^5.0.0",
+    "ember-array-helper": "^5.1.0",
     "ember-cli": "~3.10.1",
     "ember-cli-dependency-checker": "^3.1.0",
     "ember-cli-eslint": "^5.1.0",