Merge pull request #38 from ryanhefner/greenkeeper/rollup-plugin-babel-4.0.2

chore(package): update rollup-plugin-babel to version 4.0.2

Author: ryanhefner

package.json

@@ -60,7 +60,7 @@
     "react-test-renderer": "^16.4.1",
     "regenerator-runtime": "^0.12.0",
     "rollup": "^0.65.0",
-    "rollup-plugin-babel": "^3.0.7",
+    "rollup-plugin-babel": "^4.0.2",
     "rollup-plugin-commonjs": "^9.1.0",
     "rollup-plugin-json": "^3.0.0",
     "rollup-plugin-node-resolve": "^3.2.0",