Features
- [Feature 409](https://github.com/google/osv-scanner/pull/409)
Adds an additional column to the table output which shows the severity if available.
API Features
- [Feature 424](https://github.com/google/osv-scanner/pull/424)
- [Feature 417](https://github.com/google/osv-scanner/pull/417)
- [Feature 417](https://github.com/google/osv-scanner/pull/417)
- Update the models package to better reflect the osv schema, including:
- Add the withdrawn field
- Improve timestamp serialization
- Add related field
- Add additional ecosystem constants
- Add new reference types
- Add YAML tags