bugfix fail to find crypto attribute on pc-tests

[odudex]

Debugging test errors on Krux I found
module 'urtypes' has no attribute 'crypto' error would be triggered on Krux tests, ex:test_parse_wallet

if isinstance(wallet_data, UR):
        # Try to parse as a Crypto-Output type
        try:
            output = urtypes.crypto.Output.from_cbor(wallet_data.cbor)
            return Descriptor.from_string(output.descriptor()), None
        except:
            pass

It is fixed by this import on root

[codecov]

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