Changes to POST /user/change-password

removed the optional property code from the response with the 400 status

removed the optional property errors from the response with the 400 status

removed the optional property message from the response with the 400 status

added the optional property detail to the response with the 400 status

added the optional property instance to the response with the 400 status

added the optional property status to the response with the 400 status

added the optional property title to the response with the 400 status

added the optional property type to the response with the 400 status

endpoint added