chore(deps): peg to mongodb-core master for continued development

Author: mbroadst

package-lock.json

@@ -17,7 +17,7 @@
     "official"
   ],
   "dependencies": {
-    "mongodb-core": "3.2.0-beta2",
+    "mongodb-core": "mongodb-js/mongodb-core#master",
     "safe-buffer": "^5.1.2"
   },
   "devDependencies": {