Update dependency moment to v2.22.2

Author: renovate-bot

package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "express": "4.15.3",
-    "moment": "2.18.1",
+    "moment": "2.22.2",
     "socket.io": "2.0.2"
   },
   "devDependencies": {

yarn.lock

@@ -1300,9 +1300,9 @@ [email protected]:
     mkdirp "0.5.1"
     supports-color "3.1.2"
 
-moment@2.18.1:
-  version "2.18.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.18.1.tgz#c36193dd3ce1c2eed2adb7c802dbbc77a81b1c0f"
+moment@2.22.2:
+  version "2.22.2"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
 
 [email protected]:
   version "0.7.2"