chore(package): update rimraf to version 3.0.1

Closes #26

Author: greenkeeper[bot]

package.json

@@ -61,7 +61,7 @@
     "husky": "^2.0.0",
     "istanbul": "^0.4.5",
     "mocha": "^6.0.0",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.1",
     "semantic-release": "^15.9.9",
     "travis-deploy-once": "^5.0.2"
   },