feat: add nvidia builds to ucore #362

Job	Run time
Get CoreOS versions	4s
Get Build Info	4s
Build uCore (ucore, stable, -zfs, pr-66-)	2m 54s
Build CoreOS ZFS (fedora-coreos-zfs, stable, pr-66-)	2m 31s
Build uCore (ucore, stable, pr-66-)	2m 56s
Build CoreOS ZFS (fedora-coreos-zfs, testing, pr-66-)	3m 0s
Build uCore (ucore, testing, -zfs, pr-66-)	3m 50s
Build uCore (ucore, testing, pr-66-)	3m 22s
Build HCI (ucore, stable, -zfs, pr-66-)	3m 15s
Build HCI (ucore, stable, pr-66-)	3m 10s
Build HCI (ucore, testing, -zfs, pr-66-)	3m 34s
Build HCI (ucore, testing, pr-66-)	3m 18s
	31m 58s

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