Deterministic subnet peer discovery #203

Job	Run time
release-tests-ubuntu	11m 47s
release-tests-windows	12m 28s
beacon-chain-tests	37m 28s
target-branch-check	1s
debug-tests-ubuntu	7m 35s
network-tests	4m 15s
op-pool-tests	13m 43s
slasher-tests	5m 12s
state-transition-vectors-ubuntu	5m 4s
dockerfile-ubuntu	9m 22s
doppelganger-protection-test	6m 0s
ef-tests-ubuntu	28m 29s
eth1-simulator-ubuntu	7m 24s
merge-transition-ubuntu	7m 43s
no-eth1-simulator-ubuntu	7m 16s
syncing-simulator-ubuntu	7m 34s
cargo-udeps	5m 37s
check-code	6m 38s
check-msrv	5m 26s
compile-with-beta-compiler	8m 34s
execution-engine-integration-ubuntu	15m 22s
	3h 32m 58s

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