Bump moment in /ethereum-consortium-blockchain/scripts/etheradmin (#454)

Bumps [moment](https://github.com/moment/moment) from 2.17.1 to 2.19.3.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/moment/moment/compare/2.17.1...2.19.3)

Signed-off-by: dependabot[bot] <support@github.com>

ethereum-consortium-blockchain/scripts/etheradmin/package.json

@@ -13,7 +13,7 @@
     "express": "^4.15.2",
     "express-handlebars": "~3.0.0",
     "express-session": "^1.15.2",
-    "moment": "~2.17.1",
+    "moment": "~2.19.3",
     "promise": "~7.1.1",
     "web3": "~0.19.1"
   }