Update dependency express to v4.20.0

Author: renovate[bot]

templates/messenger/package.json

@@ -7,7 +7,7 @@
     },
     "dependencies": {
         "config":"3.3.6",
-        "express": "4.17.1",
+        "express": "4.20.0",
         "intelligo": "1.3.0"
     }
   }