Changes to Futures settlement series for GC / SI / HG (Pro+)

removed the optional property detail from the response with the 422 status

the endpoint scheme security ApiKeyAuth was added to the API

the endpoint scheme security BearerAuth was added to the API

added the non-success response with the status 400

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 429

added the non-success response with the status 500

added the non-success response with the status 503

added the required property details to the response with the 422 status

added the required property error to the response with the 422 status

added the required property message to the response with the 422 status