Update moment requirement from 2.22.2 to 2.23.0

Updates the requirements on [moment](https://github.com/moment/moment) to permit the latest version.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/moment/moment/commits/2.23.0)

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

package.json

@@ -160,7 +160,7 @@
 		"mkdirp": "0.5.1",
 		"mocha": "5.2.0",
 		"moji": "0.5.1",
-		"moment": "2.22.2",
+		"moment": "2.23.0",
 		"mongodb": "3.1.10",
 		"monk": "6.0.6",
 		"ms": "2.1.1",