chore(package): update cpy-cli to version 3.0.0

Closes #30

Author: greenkeeper[bot]

package.json

@@ -46,7 +46,7 @@
     "babel-jest": "^22.0.4",
     "babel-plugin-inline-import": "^2.0.6",
     "babel-preset-env": "^1.6.1",
-    "cpy-cli": "^1.0.1",
+    "cpy-cli": "^3.0.0",
     "cross-env": "^5.1.3",
     "del-cli": "^1.1.0",
     "eslint": "^4.13.1",