chore(package): update debug to version 2.5.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -49,7 +49,7 @@
     "supertest-as-promised": "^3.1.0"
   },
   "dependencies": {
-    "debug": "^2.2.0",
+    "debug": "^2.5.0",
     "glob": "^7.0.5"
   },
   "publishConfig": {