feat: add rlp to numHash #5737

Job	Run time
check no_std	1m 4s
docs	1m 3s
doctest	3m 5s
clippy	1m 34s
feature-checks	8m 56s
fmt	13s
test ubuntu-latest stable --no-default-features	2m 22s
wasm-unknown	3m 15s
wasm-wasi	4m 7s
test ubuntu-latest stable	2m 31s
test ubuntu-latest stable --all-features	3m 11s
test ubuntu-latest nightly --no-default-features	1m 9s
test ubuntu-latest nightly	1m 18s
test ubuntu-latest nightly --all-features	2m 14s
test ubuntu-latest 1.81 --no-default-features	1m 45s
test ubuntu-latest 1.81	1m 35s
test windows-latest stable --no-default-features	7m 13s
test windows-latest stable	6m 32s
test windows-latest stable --all-features	6m 47s
test windows-latest nightly --no-default-features	4m 33s
test windows-latest nightly	4m 19s
test windows-latest nightly --all-features	5m 42s
test windows-latest 1.81 --no-default-features	4m 38s
test windows-latest 1.81	4m 37s
deny / cargo deny check	21s
ci success	4s
	1h 24m 8s

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