fix ordered-cache-db #73

Job	Run time
clippy	57s
check no_std	26s
check	22s
check no_std optimism	27s
docs	1m 18s
check serde	29s
check std	26s
fmt	14s
test stable --no-default-features	1m 2s
test stable	58s
test stable --features="all, scroll"	51s
test stable --features="all, optimism"	1m 38s
test beta --no-default-features	55s
test beta	1m 5s
test beta --features="all, scroll"	53s
test beta --features="all, optimism"	1m 30s
test nightly --no-default-features	46s
test nightly	47s
test nightly --features="all, scroll"	52s
test nightly --features="all, optimism"	1m 19s
	17m 15s

Provide feedback