Bump mongodb-memory-server from 6.2.1 to 6.9.2

Bumps [mongodb-memory-server](https://github.com/nodkz/mongodb-memory-server/tree/HEAD/packages/mongodb-memory-server) from 6.2.1 to 6.9.2.
- [Release notes](https://github.com/nodkz/mongodb-memory-server/releases)
- [Changelog](https://github.com/nodkz/mongodb-memory-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodkz/mongodb-memory-server/commits/v6.9.2/packages/mongodb-memory-server)

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

Author: dependabot-preview[bot]