chore(deps): update dependency eslint-plugin-standard to v4

Author: renovate-bot

package-lock.json

@@ -51,7 +51,7 @@
     "eslint-plugin-import": "2.18.2",
     "eslint-plugin-node": "6.0.1",
     "eslint-plugin-promise": "3.8.0",
-    "eslint-plugin-standard": "3.1.0",
+    "eslint-plugin-standard": "4.0.1",
     "generate-changelog": "1.8.0",
     "husky": "0.14.3",
     "istanbul": "0.4.5",