restrict error type #124

Job	Run time
clippy	2m 44s
check	23s
check no_std	27s
check serde	36s
check no_std optimism,kzg-rs	27s
check std	25s
docs	1m 18s
fmt	7s
TyposCheck	5s
test stable --no-default-features	54s
test stable	49s
test stable --features="scroll"	1m 3s
test stable --features="scroll, scroll-poseidon-codehash"	1m 29s
test stable --features="all, scroll"	1m 23s
test stable --features="all, scroll, scroll-poseidon-codehash"	1m 33s
test stable --features="optimism"	1m 10s
test stable --features="all, optimism"	1m 30s
test beta --no-default-features	55s
test beta	1m 1s
test beta --features="scroll"	1m 9s
test beta --features="scroll, scroll-poseidon-codehash"	1m 26s
test beta --features="all, scroll"	1m 31s
test beta --features="all, scroll, scroll-poseidon-codehash"	1m 44s
test beta --features="optimism"	1m 12s
test beta --features="all, optimism"	1m 37s
test nightly --no-default-features	46s
test nightly	45s
test nightly --features="scroll"	48s
test nightly --features="scroll, scroll-poseidon-codehash"	1m 8s
test nightly --features="all, scroll"	1m 21s
test nightly --features="all, scroll, scroll-poseidon-codehash"	1m 27s
test nightly --features="optimism"	1m 2s
test nightly --features="all, optimism"	1m 28s
	35m 43s

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