fix(package): update install to version 0.13.0

Closes #9

Author: greenkeeper[bot]

package.json

@@ -8,7 +8,7 @@
     "body-parser": "^1.18.2",
     "dotenv": "^5.0.0",
     "express": "^4.16.2",
-    "install": "^0.11.0",
+    "install": "^0.13.0",
     "jsonwebtoken": "^8.1.1",
     "milligram": "^1.3.0",
     "mongodb": "^3.0.2",