Update dependency tail to v2

Author: renovate-bot

socks-proxy/package.json

@@ -36,7 +36,7 @@
     "promise-tap": "0.0.3",
     "socks": "^1.1.10",
     "strip-json-comments": "^2.0.1",
-    "tail": "^1.4.0",
+    "tail": "^2.0.0",
     "underscore": "^1.9.1"
   },
   "optionalDependencies": {