Changes to Update a file

added the new message enum value to the file/source response property for the response status 200

api operation id files_rename removed and replaced with files_update

added the non-success response with the status 400

added the non-success response with the status 404

added the non-success response with the status 422

added the non-success response with the status 500

added the optional property file/display_url to the response with the 200 status

added the optional property file/message_id to the response with the 200 status

added the optional property file/phone_id to the response with the 200 status

endpoint added