chore(package): update rimraf to version 3.0.2

Closes #308

Author: greenkeeper[bot]

package.json

@@ -100,7 +100,7 @@
     "prettier": "^1.14.3",
     "prompt": "^1.0.0",
     "replace-in-file": "^3.4.2",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.2",
     "rollup": "^0.67.0",
     "rollup-plugin-commonjs": "^9.1.8",
     "rollup-plugin-json": "^3.1.0",