feat: eip7702 #3

Job	Run time
clippy	18s
cfg-check	13s
doctest	24s
docs	14s
feature-checks	15s
fmt	13s
no-std	6s
test ubuntu-latest stable --no-default-features	19s
wasm-unknown	14s
wasm-wasi	13s
test ubuntu-latest stable	23s
test ubuntu-latest stable --all-features	41s
test ubuntu-latest nightly --no-default-features	26s
test ubuntu-latest nightly	28s
test ubuntu-latest nightly --all-features	39s
test ubuntu-latest 1.76 --no-default-features	24s
test ubuntu-latest 1.76	25s
test windows-latest stable --no-default-features	1m 1s
test windows-latest stable	1m 15s
test windows-latest stable --all-features	1m 19s
test windows-latest nightly --no-default-features	1m 5s
test windows-latest nightly	1m 7s
test windows-latest nightly --all-features	1m 26s
test windows-latest 1.76 --no-default-features	56s
test windows-latest 1.76	53s
	14m 57s

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