Add explicit xsd type

[jjagielka]

value = '2022-03-18'
elem = xsd.Element('my_tag', xsd.Date())
obj = xsd.AnyObject(elem, elem(value))

When rendered we get <my_tag>2022-03-18</my_tag>, but how to get explicit type info i.e. <my_tag xsd:type="date">2022-03-18</my_tag>