feat: add nvidia builds to ucore #292

Job	Run time
Get Build Info	2s
Get CoreOS versions	6s
Build uCore (ucore, stable, -zfs, pr-66-)	3m 8s
Build uCore (ucore, stable, pr-66-)	3m 52s
Build uCore (ucore, testing, -zfs, pr-66-)	3m 6s
Build uCore (ucore, testing, pr-66-)	4m 44s
Build CoreOS ZFS (fedora-coreos-zfs, stable, pr-66-)	3m 9s
Build CoreOS ZFS (fedora-coreos-zfs, testing, pr-66-)	3m 20s
Build HCI (ucore, stable, -zfs, pr-66-)	2m 59s
Build HCI (ucore, stable, pr-66-)	3m 39s
Build HCI (ucore, testing, -zfs, pr-66-)	4m 34s
Build HCI (ucore, testing, pr-66-)	4m 22s
	37m 1s

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