#3341 update moment

Author: Unitech

package.json

@@ -166,7 +166,7 @@
     "eventemitter2": "1.0.5",
     "fclone": "1.0.11",
     "mkdirp": "0.5.1",
-    "moment": "^2.18",
+    "moment": "^2.19",
     "nssocket": "0.6.0",
     "pidusage": "^1.2.0",
     "pm2-axon": "3.1.0",