fix: upgrade util from 0.11.1 to 0.12.1

Snyk has created this PR to upgrade util from 0.11.1 to 0.12.1.

See this package in NPM:
https://www.npmjs.com/package/util

See this project in Snyk:
https://app.snyk.io/org/fernal73/project/4a19854e-432a-4c72-b872-7d2c36371df8?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

emitterproto/package-lock.json

@@ -11,6 +11,6 @@
   "dependencies": {
     "events": "^3.1.0",
     "fs": "0.0.1-security",
-    "util": "^0.11.1"
+    "util": "^0.12.1"
   }
 }