feat: switch to a ublue base image #109

Job	Run time
Build (amd64, 39, base)	20s
Build (amd64, 39, silverblue)	21s
Build (amd64, 39, kinoite)	16s
Build (amd64, 40, base)	19s
Build (amd64, 40, silverblue)	23s
Build (amd64, 40, kinoite)	17s
Build (amd64, rawhide, base)	19s
Build (amd64, rawhide, silverblue)	21s
Build (amd64, rawhide, kinoite)	16s
Build (arm64, 39, base)	23s
Build (arm64, 39, silverblue)	17s
Build (arm64, 39, kinoite)	23s
Build (arm64, 40, base)	20s
Build (arm64, 40, silverblue)	18s
Build (arm64, 40, kinoite)	16s
Build (arm64, rawhide, base)	17s
Build (arm64, rawhide, silverblue)	23s
Build (arm64, rawhide, kinoite)	18s
Check all builds successful	1s
	5m 48s

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