Add a new Task attribute and return a :class:`TaskAttribute` object.

        :param name: name of the :class:`TaskAttribute`
        :param attrs: optional attributes for :class:`TaskAttribute`

def add_task_attribute(self, name, **attrs):
        """
        Add a new Task attribute and return a :class:`TaskAttribute` object.

        :param name: name of the :class:`TaskAttribute`
        :param attrs: optional attributes for :class:`TaskAttribute`
        """
        return TaskAttributes(self.requester).create(
            self.id, name, **attrs
        )