chore(deps-dev): bump mongodb from 3.1.1 to 3.6.1

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 3.1.1 to 3.6.1.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/master/CHANGES_3.0.0.md)
- [Commits](mongodb/node-mongodb-native@v3.1.1...v3.6.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -25,7 +25,7 @@
   "devDependencies": {
     "eslint": "5.x",
     "mocha": "4.1.0",
-    "mongodb": "3.1.1"
+    "mongodb": "3.6.1"
   },
   "bugs": {
     "url": "https://github.com/aheckmann/mquery/issues/new"