chore(package): update rimraf to version 3.0.1

Closes #33

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "prop-types": "^15.6.1",
     "react": "^16.3.2",
     "react-dom": "^16.3.2",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.1",
     "rollup": "^0.64.0",
     "rollup-plugin-babel": "^4.0.0-beta.4",
     "rollup-plugin-babel-minify": "^5.0.0",