Update request to 2.45.0

Fixes a DoS vulnerability caused by qs library.
https://nodesecurity.io/advisories/qs_dos_extended_event_loop_blocking

Author: pl

package.json

@@ -22,7 +22,7 @@
     }
   ],
   "dependencies": {
-    "request": "=2.36.0"
+    "request": "=2.45.0"
   },
   "devDependencies": {
     "mocha": "=1.20.1",