Improvements
- Refactor astore model upload to fix 422 response from SAS Viya 4
- ASTORE model import now uses SAS Viya to generate ASTORE model assets
- Expanded usage for cas_management service (credit to @SilvestriStefano)
Bugfixes
- ASTORE model import no longer returns a 422 error
- Fix improper filter usage for model_repository service
- Fix error with loss of stream in add_model_content call for duplicate content
- Update integration test cassettes for SAS Viya 4