chore(package): update rimraf to version 3.0.1

Closes #41

Author: greenkeeper[bot]

package.json

@@ -78,6 +78,6 @@
     "husky": "^1.0.0",
     "mocha": "^6.0.0",
     "nyc": "^14.0.0",
-    "rimraf": "^2.6.2"
+    "rimraf": "^3.0.1"
   }
 }