update sync-request (broke when downloading cljs-api.edn)

Author: shaunlebron

package-lock.json

@@ -6,7 +6,7 @@
     "glob": "^7.1.3",
     "highlight.js": "9.3.0",
     "marked": "0.5.1",
-    "sync-request": "3.0.0"
+    "sync-request": "6.1.0"
   },
   "devDependencies": {
     "express": "^4.16.4",