chore(package): update @types/request to version 2.48.5

Closes #88

Author: greenkeeper[bot]

package.json

@@ -85,7 +85,7 @@
     "@types/js-yaml": "3.11.2",
     "@types/mocha": "5.2.5",
     "@types/node": "10.12.12",
-    "@types/request": "2.48.1",
+    "@types/request": "2.48.5",
     "chai": "4.2.0",
     "husky": "1.2.0",
     "lint-staged": "8.1.0",