Resolve issue with `pythonic_hints` returned in `get_compiled_casm` from devnet

ATM, [this test](https://github.com/software-mansion/starknet.py/blob/e0ecdf598015be5a0bee087c738afa29b8dc50c9/starknet_py/tests/e2e/client/client_test.py#L243) passed because we've set `STARKNET_PY_MARSHMALLOW_UNKNOWN_EXCLUDE`.

Blocked by [this issue](https://github.com/0xSpaceShard/starknet-devnet/issues/712).