feat: `MsgToL1` hash computation #128

Job	Run time
Build starknet-ff features	2m 5s
Build starknet-curve features	1m 30s
Build starknet-crypto-codegen features	1m 36s
Build starknet-crypto features	1m 54s
Build starknet-core features	1m 51s
Build starknet-providers features	2m 15s
Build starknet-signers features	1m 48s
Build starknet-accounts features	2m 16s
Build starknet-contract features	2m 9s
Build starknet-macros features	1m 35s
Build starknet features	2m 16s
	21m 15s

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