base_image: add SELinux relabeling for Fedora virt-builder images #73

Job	Run time
Build kdevops Container (opensuse)	1m 57s
Build kdevops Container (debian)	2m 36s
Build kdevops Container (fedora)	1m 26s
Linux A/B Tests (fedora)	49s
Linux A/B Tests (opensuse)	51s
Quick Config Tests (blktests_nvme) on debian	53s
Linux A/B Tests (debian)	1m 10s
Quick Config Tests (blktests_nvme) on fedora	46s
Quick Config Tests (lbs-xfs) on debian	53s
Quick Config Tests (xfs_reflink_4k) on opensuse	55s
Quick Config Tests (blktests_nvme) on opensuse	48s
Quick Config Tests (xfs_reflink_4k) on debian	54s
Quick Config Tests (lbs-xfs) on fedora	48s
Quick Config Tests (linux-ab-testing) on opensuse	56s
Quick Config Tests (xfs_reflink_4k) on fedora	47s
Quick Config Tests (linux-ab-testing) on debian	55s
Quick Config Tests (linux-ab-testing) on fedora	43s
Quick Config Tests (lbs-xfs) on opensuse	50s
	18m 57s

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