Fix pinned repos #32

Job	Run time
build (centos, 7, centos-7, centos-7/Containerfile)	9m 46s
build (rockylinux, 8, rockylinux-8, rockylinux-8/Containerfile)	9m 19s
build (rockylinux, 8.6, rockylinux-8, rockylinux-8/Containerfile-8.6)	10m 28s
build (rockylinux, 8.7, rockylinux-8, rockylinux-8/Containerfile-8.7)	10m 4s
build (rockylinux, 8.8, rockylinux-8, rockylinux-8/Containerfile-8.8)	9m 0s
build (rockylinux, 9, rockylinux-9, rockylinux-9/Containerfile)	14s
build (rockylinux, 9, rockylinux-9, rockylinux-9/Containerfile-9.0)	8m 33s
build (rockylinux, 9.1, rockylinux-9, rockylinux-9/Containerfile-9.1)	8m 11s
build (leap, 15, leap, leap/Containerfile.15)	7m 34s
build (leap, latest, leap, leap/Containerfile)	10m 14s
	1h 23m 23s

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