chore(package): update nodeos-nodejs to version 6.9.4

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -14,7 +14,7 @@
     "cpio2tar": "^0.0.5",
     "download-manager": "^0.1.3",
     "minimist": "^1.2.0",
-    "nodeos-nodejs": "^6.9.3"
+    "nodeos-nodejs": "^6.9.4"
   },
   "devDependencies": {
     "nodeos-cross-toolchain": "^1.0.0-RC3",