chore(package): update prettier to version 1.14.2

Closes #460

Author: greenkeeper[bot]

Diff for: package.json

@@ -54,7 +54,7 @@
     "husky": "^0.14.3",
     "lint-staged": "^7.0.0",
     "nyc": "^12.0.2",
-    "prettier": "1.11.1",
+    "prettier": "1.14.2",
     "rimraf": "^2.6.2",
     "semantic-release": "^15.0.2",
     "tslint": "^5.8.0",