Bump mongodb from 3.2.6 to 3.2.7 (#5636)

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 3.2.6 to 3.2.7.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/master/HISTORY.md)
- [Commits](mongodb/node-mongodb-native@v3.2.6...v3.2.7)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -33,7 +33,7 @@
     "lodash": "4.17.11",
     "lru-cache": "5.1.1",
     "mime": "2.4.3",
-    "mongodb": "3.2.6",
+    "mongodb": "3.2.7",
     "parse": "2.4.0",
     "pg-promise": "8.7.2",
     "redis": "2.8.0",