[BUG] Identity beta model can not be serialized to json (using to_json() extension method)

[ianphilm]

In attempting to convert the return value of a sailpoint.beta.IdentitiesApi.list_identities() call to a list of json objects, the identity.to_json() call fails with the below error:

line 147, in main
test = [i.to_json() for i in identities]
^^^^^^^^^^^
File "/Users/imckenzie/code/corporate-identity-engineering/.venv/lib/python3.12/site-packages/sailpoint/beta/models/identity.py", line 84, in to_json
return json.dumps(self.to_dict())
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.3/Frameworks/Python.framework/Versions/3.12/lib/python3.12/json/init.py", line 231, in dumps
return _default_encoder.encode(obj)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.3/Frameworks/Python.framework/Versions/3.12/lib/python3.12/json/encoder.py", line 200, in encode
chunks = self.iterencode(o, _one_shot=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.3/Frameworks/Python.framework/Versions/3.12/lib/python3.12/json/encoder.py", line 258, in iterencode
return _iterencode(o, 0)
^^^^^^^^^^^^^^^^^
File "/opt/homebrew/Cellar/[email protected]/3.12.3/Frameworks/Python.framework/Versions/3.12/lib/python3.12/json/encoder.py", line 180, in default
raise TypeError(f'Object of type {o.class.name} '
TypeError: Object of type datetime is not JSON serializable

I'm unsure if this is expected / not really a bug, but it seems like the to_json() parsing logic would generally be able to handle datetime objects.