Add custody by root request to sync #18034

Job	Run time
Check for 'skip-ci' label	1s
check-code	7m 7s
check-msrv	5m 16s
target-branch-check	1s
release-tests-ubuntu	27m 0s
beacon-chain-tests	15m 44s
op-pool-tests	12m 29s
release-tests-windows	38m 12s
network-tests	8m 43s
debug-tests-ubuntu	8m 26s
slasher-tests	1m 51s
state-transition-vectors-ubuntu	2m 41s
basic-simulator-ubuntu	12m 58s
cargo-udeps	7m 20s
cli-check	9m 17s
compile-with-beta-compiler	14m 6s
ef-tests-ubuntu	10m 19s
execution-engine-integration-ubuntu	11m 11s
fallback-simulator-ubuntu	11m 53s
test-suite-success	0s
	3h 24m 35s

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