chore(package): update rimraf to version 3.0.1

Closes #17

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "jest": "^23.6.0",
     "lint-staged": "^8.0.4",
     "prettier": "^1.15.2",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.1",
     "rollup": "^0.67.1",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.2.0",