chore(package): update babel-preset-react-app to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -64,7 +64,7 @@
     "babel-cli": "^6.24.1",
     "babel-core": "^6.24.1",
     "babel-jest": "^20.0.0",
-    "babel-preset-react-app": "^2.2.0",
+    "babel-preset-react-app": "^3.0.0",
     "enzyme": "^2.8.2",
     "enzyme-to-json": "^1.5.1",
     "eslint": "^3.19.0",