fix: Remove deprecated getargspec call.

This function was removed by python 3.11 so update to the alternate
call that is the current recommended replacement.

https://docs.python.org/3.11/library/inspect.html#inspect.getfullargspec

xmodule/tests/xml/factories.py

@@ -58,7 +58,7 @@ def __repr__(self):
 
 # Extract all argument names used to construct XmlImportData objects,
 # so that the factory doesn't treat them as XML attributes
-XML_IMPORT_ARGS = inspect.getargspec(XmlImportData.__init__).args  # lint-amnesty, pylint: disable=deprecated-method
+XML_IMPORT_ARGS = inspect.getfullargspec(XmlImportData.__init__).args  # lint-amnesty, pylint: disable=deprecated-method
 
 
 class XmlImportFactory(Factory):