Implement whisk PoC #96

Job	Run time
cargo-fmt	13s
compile-with-beta-compiler	23m 26s
extract-msrv	6s
target-branch-check	1s
release-tests-ubuntu	1h 36m 41s
beacon-chain-tests	6h 0m 15s
op-pool-tests	24m 22s
release-tests-windows	2h 13m 57s
debug-tests-ubuntu	37m 12s
slasher-tests	5m 15s
state-transition-vectors-ubuntu	14m 59s
dockerfile-ubuntu	25m 54s
eth1-simulator-ubuntu	38m 45s
ef-tests-ubuntu	49m 58s
merge-transition-ubuntu	44m 14s
doppelganger-protection-test	44m 57s
execution-engine-integration-ubuntu	23m 11s
no-eth1-simulator-ubuntu	39m 58s
syncing-simulator-ubuntu	30m 40s
arbitrary-check	1m 43s
cargo-audit	4m 21s
cargo-udeps	18m 35s
cargo-vendor	40s
check-benchmarks	9m 54s
check-msrv	10m 13s
clippy	8m 23s
	17h 27m 53s

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