chore(package): update prettier to version 2.0.1

Closes #29

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
     "aws-sdk": "^2.346.0",
     "husky": "^3.0.1",
     "jest": "^23.6.0",
-    "prettier": "^1.14.3",
+    "prettier": "^2.0.1",
     "semantic-release": "^17.0.1",
     "ts-jest": "^24.0.0",
     "tslint": "^5.11.0",