feat: prepare reth Signature migration to alloy #1984

Job	Run time
clippy	59s
check no_std	43s
docs	28s
fmt	14s
miri --no-default-features	3m 46s
feature-checks	5m 26s
test ubuntu-latest stable --no-default-features	1m 16s
wasm	35s
test ubuntu-latest stable	1m 6s
test ubuntu-latest beta --no-default-features	1m 8s
test ubuntu-latest beta	1m 9s
miri	3m 48s
test ubuntu-latest nightly --no-default-features	48s
miri --all-features	5m 7s
test ubuntu-latest nightly	48s
test ubuntu-latest 1.79 --no-default-features	34s
test ubuntu-latest 1.79	31s
test windows-latest stable --no-default-features	2m 26s
test windows-latest stable	2m 41s
test windows-latest beta --no-default-features	1m 54s
test windows-latest beta	2m 7s
test windows-latest nightly --no-default-features	1m 49s
test windows-latest nightly	1m 53s
test windows-latest 1.79 --no-default-features	1m 15s
test windows-latest 1.79	1m 13s
test ubuntu-latest 1.79 --features json	31s
test windows-latest 1.79 --features json	1m 27s
test ubuntu-latest stable --all-features	1m 26s
test ubuntu-latest beta --all-features	1m 19s
test ubuntu-latest nightly --all-features	1m 5s
	49m 32s

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