chore: reduce build minutes (#205) #1901

Job	Run time
build-base (40, silverblue)	8m 20s
build-base (40, kinoite)	9m 5s
build-base (40, cosmic)	6m 4s
build-base (stable, silverblue)	9m 22s
build-base (stable, kinoite)	11m 34s
build-base (stable, cosmic)	7m 34s
build-nvidia (40, silverblue, open)	9m 10s
build-nvidia (40, kinoite, open)	9m 46s
build-nvidia (40, cosmic, open)	7m 52s
build-nvidia (stable, silverblue, open)	10m 8s
build-nvidia (stable, kinoite, open)	11m 12s
build-nvidia (stable, cosmic, open)	8m 47s
check	2s
	1h 48m 56s

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