fix(package): update mongodb to version 3.0.4

Closes #4586

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
     "lodash": "4.17.5",
     "lru-cache": "4.1.1",
     "mime": "2.2.0",
-    "mongodb": "3.0.2",
+    "mongodb": "3.0.4",
     "multer": "1.3.0",
     "parse": "1.11.0",
     "pg-promise": "7.5.4",