feat: `ByteArray` type #695

Job	Run time
Build C++ integration example	59s
Build starknet-curve features	45s
Build starknet-crypto features	1m 5s
Build starknet-core features	1m 33s
Build starknet-providers features	1m 41s
Build starknet-signers features	1m 17s
Build starknet-accounts features	1m 18s
Build starknet-contract features	1m 18s
Build starknet-macros features	1m 2s
Build starknet features	2m 22s
	13m 20s

Provide feedback