chore(package): update lru-cache to version 4.0.2 (#3127)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -25,7 +25,7 @@
     "express": "4.14.0",
     "intersect": "1.0.1",
     "lodash": "4.17.2",
-    "lru-cache": "4.0.1",
+    "lru-cache": "4.0.2",
     "mime": "1.3.4",
     "mongodb": "2.2.10",
     "multer": "1.2.0",