* feat(target_chains/starknet): update_price_feeds and latest_price_info
* test(target_chains/starknet): basic test for pyth contract
* chore(target_chains/starknet): update deploy script
* feat(target_chains/starknet): added get_price_unsafe and get_ema_price_unsafe
* refactor(target_chains/starknet): match on UpdateType and MessageType