Changes to Discover authenticated eval ingestion capabilities

added the new AUTH_REQUIRED enum value to the code response property for the response status 400

added the new AUTH_REQUIRED enum value to the code response property for the response status 401

added the new AUTH_REQUIRED enum value to the code response property for the response status 403

added the new AUTH_REQUIRED enum value to the code response property for the response status 404

added the new AUTH_REQUIRED enum value to the code response property for the response status 409

added the new AUTH_REQUIRED enum value to the code response property for the response status 429

added the new AUTH_REQUIRED enum value to the code response property for the response status 500

added the new AUTH_REQUIRED enum value to the code response property for the response status 502

added the new AUTH_REQUIRED enum value to the code response property for the response status 504

added the new optional header request parameter x-mcpjam-eval-vocabulary

endpoint added