Function openpgp_card_sequoia::upload_key

pub fn upload_key(
    oca: &mut CardAdmin, 
    vka: ValidErasedKeyAmalgamation<'_, SecretParts>, 
    key_type: KeyType, 
    password: Option<String>
) -> Result<(), OpenpgpCardError>

Upload a ValidErasedKeyAmalgamation to the card as a specific KeyType.

The caller needs to make sure that vka is suitable for key_type.