- Add dotenv loading to Django settings
- Update CI workflow to use correct environment variables
- Set POSTGRES_* variables instead of DATABASE_URL
- Add environment variables to all Django management commands
- Fixes CI test failures due to database connection issues
- Update actions/upload-artifact from v3 to v4
- Update actions/setup-python from v4 to v5
- Update actions/cache from v3 to v4
- Fixes deprecation warnings in CI/CD pipeline