Move from igd to igd-next #14937

Job	Run time
beacon-chain-tests	18s
release-tests-ubuntu	23s
release-tests-windows	22m 57s
target-branch-check	1s
debug-tests-ubuntu	22s
ef-tests-ubuntu	7m 56s
dockerfile-ubuntu	13m 40s
network-tests	17m 25s
slasher-tests	5m 26s
op-pool-tests	20m 8s
state-transition-vectors-ubuntu	11m 8s
cargo-udeps	6m 23s
check-code	7m 10s
check-msrv	4m 27s
cli-check	18m 45s
compile-with-beta-compiler	14m 0s
doppelganger-protection-test	4m 10s
eth1-simulator-ubuntu	25m 53s
execution-engine-integration-ubuntu	1s
merge-transition-ubuntu	25m 54s
syncing-simulator-ubuntu	21m 43s
no-eth1-simulator-ubuntu	25m 52s
test-suite-success	1s
	4h 14m 3s

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