feat: eip7702 #9

Job	Run time
docs	15s
clippy	6s
cfg-check	14s
doctest	19s
feature-checks	8s
fmt	16s
no-std	8s
test ubuntu-latest stable --no-default-features	22s
wasm-unknown	11s
wasm-wasi	16s
test ubuntu-latest stable	15s
test ubuntu-latest stable --all-features	32s
test ubuntu-latest nightly --no-default-features	19s
test ubuntu-latest nightly	18s
test ubuntu-latest nightly --all-features	35s
test ubuntu-latest 1.76 --no-default-features	22s
test ubuntu-latest 1.76	16s
test windows-latest stable --no-default-features	38s
test windows-latest stable	1m 20s
test windows-latest stable --all-features	1m 8s
test windows-latest nightly --no-default-features	44s
test windows-latest nightly	58s
test windows-latest nightly --all-features	1m 19s
test windows-latest 1.76 --no-default-features	32s
test windows-latest 1.76	38s
	12m 9s

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