fix(package): update @feathersjs/express to version 4.3.7

Closes #573

Author: greenkeeper[bot]

package.json

@@ -54,7 +54,7 @@
     "@feathersjs/authentication-local": "^1.0.2",
     "@feathersjs/authentication-oauth2": "^1.0.2",
     "@feathersjs/errors": "^3.2.0",
-    "@feathersjs/express": "^1.1.2",
+    "@feathersjs/express": "^4.3.7",
     "@feathersjs/feathers": "^3.0.2",
     "@feathersjs/rest-client": "^1.3.2",
     "@feathersjs/socketio": "^3.0.1",