fix(package): update request to version 2.88.0

Closes #86

Author: greenkeeper[bot]

package.json

@@ -23,7 +23,7 @@
   "dependencies": {
     "eventsource": "badunk/eventsource-node#bugfix/reconnect-multiply-tests",
     "parent-require": "^1.0.0",
-    "request": "~2.81.0"
+    "request": "~2.88.0"
   },
   "devDependencies": {
     "chai": "~4.0.1",