feat: add a lighter ucore-minimal image #13

Job	Run time
build-testing / Get Workflow Info	1s
build-testing / Get Stream Info	4s
build-testing / fedora-coreos (-nvidia, -zfs)	2m 17s
build-testing / fedora-coreos (-nvidia)	2m 0s
build-testing / ucore (-minimal, -nvidia, -zfs)	2m 14s
build-testing / ucore (-minimal, -nvidia)	2m 5s
build-testing / fedora-coreos (-zfs)	1m 33s
build-testing / ucore (-minimal, -zfs)	1m 55s
build-testing / ucore (-minimal)	1m 28s
build-testing / ucore (-nvidia, -zfs)	3m 25s
build-testing / ucore (-nvidia)	2m 50s
build-testing / ucore (-zfs)	2m 44s
build-testing / ucore	2m 31s
build-testing / ucore (-hci, -nvidia, -zfs)	5m 21s
build-testing / ucore (-hci, -nvidia)	5m 9s
build-testing / ucore (-hci, -zfs)	3m 49s
build-testing / ucore (-hci)	4m 1s
build-testing / Check all successful	1s
	43m 28s

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