feat(core): update to mongodb-core v3.2.1

Author: mbroadst

package.json

@@ -17,7 +17,7 @@
     "official"
   ],
   "dependencies": {
-    "mongodb-core": "3.2.0",
+    "mongodb-core": "3.2.1",
     "safe-buffer": "^5.1.2"
   },
   "devDependencies": {