Add timing for block availability #16161

Job	Run time
check-code	9m 40s
basic-simulator-ubuntu	22m 22s
beacon-chain-tests	30m 17s
cargo-udeps	6m 27s
check-msrv	4m 26s
cli-check	17m 38s
compile-with-beta-compiler	12m 48s
debug-tests-ubuntu	24m 31s
dockerfile-ubuntu	14m 5s
doppelganger-protection-test	26m 53s
ef-tests-ubuntu	11m 53s
execution-engine-integration-ubuntu	13m 55s
fallback-simulator-ubuntu	20m 5s
op-pool-tests	21m 37s
network-tests	18m 4s
release-tests-ubuntu	25m 19s
release-tests-windows	31m 6s
slasher-tests	5m 10s
state-transition-vectors-ubuntu	11m 46s
target-branch-check	1s
test-suite-success	0s
	5h 28m 3s

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