Return property mapping on get

[Mojken]

I'm not entirely sure if this is something you want to allow, but since it closes #4, until there's a better solution this is better than nothing.

[antonagestam]

Thanks for working on this, I just left two minor comments.

[antonagestam]

Suggested change

	def test_getting_enum_property() -> None:
	def test_getting_enum_property() -> None:

I think black will complain here?

[antonagestam]

Suggested change

	def test_getting_enum_property() -> None:
	def test_can_introspect_property_attributes() -> None:

Let's name the test so that the aspect we're testing is clear.

[antonagestam]

Merging main should solve the CI issue (was lacking a pin of the Python version, fixed here: #7)