Changes to Get last observed agent trade-token expiry

the data/observedAt response's property type changed from number null to string null for status 200

the endpoint scheme security bearerAuth was added to the API

the endpoint scheme security tenantApiKey was added to the API

api tag Trading added

api tag trade removed

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 409

the ok response property const value false was added for the status 400

the ok response property const value true was added for the status 200

removed the false enum value from the ok response property for the response status 400

removed the true enum value from the ok response property for the response status 200