Attestation superstruct changes for EIP 7549 #16291

Job	Run time
basic-simulator-ubuntu	22m 45s
cargo-udeps	5m 32s
beacon-chain-tests	1m 34s
check-code	2m 25s
check-msrv	4m 18s
cli-check	18m 9s
compile-with-beta-compiler	5m 53s
dockerfile-ubuntu	14m 0s
debug-tests-ubuntu	6m 31s
doppelganger-protection-test	26m 3s
ef-tests-ubuntu	8m 51s
execution-engine-integration-ubuntu	8m 6s
fallback-simulator-ubuntu	20m 27s
network-tests	17m 46s
op-pool-tests	21m 35s
release-tests-ubuntu	17m 28s
release-tests-windows	10m 59s
slasher-tests	4m 33s
state-transition-vectors-ubuntu	11m 17s
target-branch-check	1s
test-suite-success	0s
	3h 48m 13s

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