Generalize block available time metric for PeerDAS #19921

Job	Run time
check-code	13m 48s
check-msrv	5m 25s
Check for 'skip-ci' label	1s
target-branch-check	1s
lockbud	14m 14s
release-tests-ubuntu	20m 21s
release-tests-windows	35m 27s
cargo-udeps	7m 30s
basic-simulator-ubuntu	16m 53s
beacon-chain-tests	24m 25s
debug-tests-ubuntu	8m 4s
ef-tests-ubuntu	8m 24s
execution-engine-integration-ubuntu	16m 52s
fallback-simulator-ubuntu	14m 49s
network-tests	23m 3s
op-pool-tests	19m 42s
slasher-tests	3m 46s
state-transition-vectors-ubuntu	4m 20s
cargo-sort	32s
cli-check	9m 12s
compile-with-beta-compiler	15m 30s
test-suite-success	3s
	4h 22m 22s

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