chore(package): update standard to version 12.0.0

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
   "devDependencies": {
     "fastify": "^1.10.0",
     "pg-native": "^2.2.0",
-    "standard": "^11.0.1",
+    "standard": "^12.0.0",
     "tap": "^12.0.1"
   }
 }