Bump mongoose from 6.12.0 to 8.9.5

Bumps [mongoose](https://github.com/Automattic/mongoose) from 6.12.0 to 8.9.5.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@6.12.0...8.9.5)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-type: direct:production
...

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

Author: dependabot[bot]