feat: add package with secure boot public signing key #489

Job	Run time
Get Build Info	1s
Get CoreOS versions	4s
Build CoreOS (fedora-coreos, stable, -nvidia, -zfs, pr-107-)	1m 49s
Build CoreOS (fedora-coreos, stable, -nvidia, pr-107-)	1m 43s
Build uCore (ucore, stable, -nvidia, -zfs, pr-107-)	1m 48s
Build CoreOS (fedora-coreos, stable, -zfs, pr-107-)	1m 46s
Build uCore (ucore, stable, -nvidia, pr-107-)	1m 46s
Build uCore (ucore, stable, -zfs, pr-107-)	1m 46s
Build CoreOS (fedora-coreos, testing, -nvidia, -zfs, pr-107-)	1m 45s
Build uCore (ucore, stable, pr-107-)	1m 44s
Build CoreOS (fedora-coreos, testing, -nvidia, pr-107-)	1m 47s
Build uCore (ucore, testing, -nvidia, -zfs, pr-107-)	1m 46s
Build CoreOS (fedora-coreos, testing, -zfs, pr-107-)	1m 37s
Build uCore (ucore, testing, -nvidia, pr-107-)	1m 45s
Build uCore (ucore, testing, -zfs, pr-107-)	1m 48s
Build uCore (ucore, testing, pr-107-)	1m 46s
Build HCI	1s
Check all builds successful	1s
	24m 43s

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