feat: `MsgToL1` hash computation #130

Job	Run time
Build starknet-ff features	48s
Build starknet-curve features	24s
Build starknet-crypto-codegen features	38s
Build starknet-crypto features	36s
Build starknet-core features	1m 56s
Build starknet-providers features	1m 54s
Build starknet-signers features	59s
Build starknet-accounts features	2m 0s
Build starknet-contract features	1m 43s
Build starknet-macros features	52s
Build starknet features	2m 59s
	14m 49s

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