chore(package): update del-cli to version 3.0.1

Closes #18

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
     "babel-plugin-inline-import": "^2.0.6",
     "babel-preset-env": "^1.6.1",
     "babel-preset-stage-2": "^6.24.1",
-    "del-cli": "^1.1.0",
+    "del-cli": "^3.0.1",
     "eslint": "^4.4.1",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-config-prettier": "^2.3.0",