feat: add hash for 7702 #3166

Job	Run time
doctest	1m 16s
wasm-unknown	46s
test ubuntu-latest stable --no-default-features	1m 16s
test ubuntu-latest stable	1m 31s
cfg-check	24s
test ubuntu-latest nightly --no-default-features	1m 42s
clippy	33s
test ubuntu-latest nightly	1m 9s
docs	1m 1s
feature-checks	3m 24s
test ubuntu-latest 1.76 --no-default-features	47s
fmt	14s
test ubuntu-latest 1.76	1m 4s
no-std	17s
wasm-wasi	1m 5s
test windows-latest stable --no-default-features	8m 10s
test windows-latest stable	4m 4s
test windows-latest nightly --no-default-features	5m 2s
test windows-latest nightly	5m 21s
test windows-latest 1.76 --no-default-features	4m 44s
test windows-latest 1.76	2m 58s
	46m 48s

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