Add extra to install gdown #3329

Job	Run time
unittests-prototype (3.10, linux.12xlarge, cpu) / linux-job	37s
unittests-prototype (3.11, linux.12xlarge, cpu) / linux-job	33s
unittests-prototype (3.12, linux.12xlarge, cpu) / linux-job	42s
unittests-prototype (3.8, linux.12xlarge, cpu) / linux-job	31s
unittests-prototype (3.8, linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	43s
unittests-prototype (3.9, linux.12xlarge, cpu) / linux-job	37s
	3m 43s

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