Tests

chore(interpreter): use U256::arithmetic_shr in SAR #3650

Job	Run time
check no-default-features	17s
check serde	20s
check std	19s
clippy	1m 25s
docs	1m 9s
fmt	13s
test stable --no-default-features	1m 8s
test no_std	27s
test stable	58s
test stable --all-features	1m 26s
test beta --no-default-features	2m 27s
test beta	2m 27s
test beta --all-features	2m 35s
test nightly --no-default-features	2m 11s
test nightly	2m 9s
test nightly --all-features	2m 22s
	21m 53s

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