- Add BearerOIDCConfig to configuration for OIDC workload auth
- Implement OIDCBearerAuthorizer for validating OIDC ID tokens
- Update bearerAuthHandler to support both traditional and OIDC bearer auth
- Add claim mapping support for extracting username from OIDC tokens
- Support multiple audiences for token validation
- Extract groups from token claims for authorization
Co-authored-by: rchincha <45800463+rchincha@users.noreply.github.com>