chore(package): update prettier to version 2.0.3

Closes #248

Author: greenkeeper[bot]

package.json

@@ -65,7 +65,7 @@
         "lint-staged": "^9.2.0",
         "natives": "^1.1.6",
         "platform": "^1.3.5",
-        "prettier": "^1.18.2",
+        "prettier": "^2.0.3",
         "rimraf": "^2.6.3",
         "rollup": "^1.17.0",
         "rollup-plugin-alias": "^1.5.2",