fix(package): update ember-cli-version-checker to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
     "ember-cli-babel": "^7.1.0",
     "ember-cli-lodash-subset": "2.0.1",
     "ember-cli-preprocess-registry": "^3.1.2",
-    "ember-cli-version-checker": "^2.1.2",
+    "ember-cli-version-checker": "^3.0.0",
     "fastboot": "^1.2.0",
     "fastboot-express-middleware": "^1.2.0",
     "fastboot-transform": "^0.1.3",