fix(package): update passport to version 0.4.1

Closes #14

Author: greenkeeper[bot]

package.json

@@ -15,7 +15,7 @@
     "jsonwebtoken": "^7.1.9",
     "mongoose": "^4.6.7",
     "morgan": "~1.8.0",
-    "passport": "^0.3.0",
+    "passport": "^0.4.1",
     "passport-local": "^1.0.0",
     "serve-favicon": "~2.4.0"
   }