chore(package): update request to version 2.73.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -22,7 +22,7 @@
     "got": "^3.2.0",
     "is-match": "^0.4.1",
     "pre-commit": "^1.1.2",
-    "request": "^2.57.0"
+    "request": "^2.73.0"
   },
   "files": [
     "index.js"