fix: incorrect upper bound for `s` #172

Job	Run time
Build starknet-ff features	1m 1s
Build starknet-curve features	13s
Build starknet-crypto-codegen features	29s
Build starknet-crypto features	27s
Build starknet-core features	1m 44s
Build starknet-providers features	2m 10s
Build starknet-signers features	1m 17s
Build starknet-accounts features	1m 56s
Build starknet-contract features	1m 45s
Build starknet-macros features	34s
Build starknet features	2m 20s
	13m 56s

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