EIP-7702: change `chain_id` type to `U256` (#1839) #5558

Job	Run time
wasm-wasi	1m 17s
test ubuntu-latest stable --no-default-features	1m 31s
test ubuntu-latest stable	1m 25s
doctest	1m 10s
check no_std	15s
test ubuntu-latest stable --all-features	2m 36s
feature-checks	3m 41s
wasm-unknown	1m 6s
test ubuntu-latest nightly --no-default-features	1m 20s
clippy	36s
test ubuntu-latest nightly	1m 23s
test ubuntu-latest nightly --all-features	2m 7s
docs	1m 1s
fmt	15s
test ubuntu-latest 1.81 --no-default-features	37s
test ubuntu-latest 1.81	58s
test windows-latest stable --no-default-features	3m 17s
test windows-latest stable	4m 26s
test windows-latest stable --all-features	4m 49s
test windows-latest nightly --no-default-features	4m 7s
test windows-latest nightly	2m 55s
test windows-latest nightly --all-features	6m 18s
test windows-latest 1.81 --no-default-features	1m 33s
test windows-latest 1.81	2m 6s
deny / cargo deny check	20s
ci success	1s
	51m 10s

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