feat: `MsgToL1` hash computation #133

Job	Run time
Build starknet-ff features	51s
Build starknet-curve features	15s
Build starknet-crypto-codegen features	34s
Build starknet-crypto features	32s
Build starknet-core features	1m 28s
Build starknet-providers features	1m 42s
Build starknet-signers features	1m 22s
Build starknet-accounts features	1m 18s
Build starknet-contract features	1m 33s
Build starknet-macros features	54s
Build starknet features	3m 3s
	13m 32s

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