Bump mongodb from 3.2.4 to 3.2.5 (#5604)

* Bump mongodb from 3.2.4 to 3.2.5

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 3.2.4 to 3.2.5.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/master/HISTORY.md)
- [Commits](https://github.com/mongodb/node-mongodb-native/compare/v3.2.4...v3.2.5)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* Tweak expected error message in a test to match a change
in the underlying package.
see: https://github.com/mongodb-js/mongodb-core/commit/83e224b

cc: @davimacedo

package.json

@@ -33,7 +33,7 @@
     "lodash": "4.17.11",
     "lru-cache": "5.1.1",
     "mime": "2.4.3",
-    "mongodb": "3.2.4",
+    "mongodb": "3.2.5",
     "parse": "2.4.0",
     "pg-promise": "8.7.2",
     "redis": "2.8.0",