Bump mongoose from 6.12.0 to 6.13.5

Bumps [mongoose](https://github.com/Automattic/mongoose) from 6.12.0 to 6.13.5.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/6.13.5/CHANGELOG.md)
- [Commits](Automattic/mongoose@6.12.0...6.13.5)

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

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