Add builder header timeout flag #16889

Job	Run time
check-msrv	4m 26s
Check for 'skip-ci' label	1s
check-code	8m 28s
target-branch-check	1s
beacon-chain-tests	27m 17s
release-tests-ubuntu	31m 20s
release-tests-windows	38m 11s
debug-tests-ubuntu	11m 21s
network-tests	8m 42s
op-pool-tests	12m 28s
slasher-tests	1m 42s
ef-tests-ubuntu	16m 53s
dockerfile-ubuntu	14m 12s
fallback-simulator-ubuntu	11m 15s
basic-simulator-ubuntu	13m 26s
state-transition-vectors-ubuntu	2m 50s
cargo-udeps	6m 11s
cli-check	8m 52s
compile-with-beta-compiler	13m 56s
doppelganger-protection-test	25m 2s
execution-engine-integration-ubuntu	13m 39s
test-suite-success	0s
	4h 30m 13s

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