chore(deps-dev): bump mongodb from 6.19.0 to 6.20.0

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 6.19.0 to 6.20.0.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/main/HISTORY.md)
- [Commits](mongodb/node-mongodb-native@v6.19.0...v6.20.0)

---
updated-dependencies:
- dependency-name: mongodb
  dependency-version: 6.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]