chore(package): update standard to version 14.3.4

Closes #178

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "nodemon": "2.0.3",
     "semantic-release": "17.0.7",
     "smee-client": "1.0.3",
-    "standard": "14.3.1"
+    "standard": "14.3.4"
   },
   "engines": {
     "node": ">= 10.13.0"