feat(mongodb-core): update to mongodb-core 3.0.4

Author: mbroadst

package.json

@@ -13,7 +13,7 @@
     "official"
   ],
   "dependencies": {
-    "mongodb-core": "3.0.3"
+    "mongodb-core": "3.0.4"
   },
   "devDependencies": {
     "betterbenchmarks": "^0.1.0",