Electra alpha8 spec updates #19355

Job	Run time
lockbud	14m 9s
check-code	9m 17s
Check for 'skip-ci' label	1s
check-msrv	5m 41s
target-branch-check	1s
op-pool-tests	15m 20s
release-tests-ubuntu	13m 7s
debug-tests-ubuntu	5m 29s
beacon-chain-tests	36m 48s
release-tests-windows	36m 5s
basic-simulator-ubuntu	13m 57s
ef-tests-ubuntu	16m 57s
execution-engine-integration-ubuntu	10m 24s
fallback-simulator-ubuntu	10m 40s
slasher-tests	1m 37s
state-transition-vectors-ubuntu	2m 22s
cargo-udeps	7m 49s
cli-check	6m 51s
compile-with-beta-compiler	14m 43s
network-tests	18m 19s
test-suite-success	0s
	3h 59m 37s

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