chore(package): upate execa

Author: dnlup

package-lock.json

@@ -64,7 +64,7 @@
     "eslint-plugin-node": "^10.0.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",
-    "execa": "^2.0.4",
+    "execa": "^2.1.0",
     "husky": "^3.0.9",
     "inquirer": "^7.0.0",
     "is-ci": "^2.0.0",