refactor: use TestAuthorization and skip decoding of eip7702 tx #4265

Job	Run time
check no_std	28s
test stable --no-default-features	57s
check no_std kzg-rs	38s
test stable	56s
check	19s
test stable --all-features	1m 18s
check serde	27s
clippy	1m 23s
test beta --no-default-features	1m 2s
check std	35s
test beta	54s
test beta --all-features	1m 20s
docs	1m 16s
test nightly --no-default-features	2m 3s
fmt	6s
test nightly	2m 8s
test nightly --all-features	2m 13s
TyposCheck	9s
	18m 12s

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