Merge centos.dockerfile into fedora.dockerfile #32

Job	Run time
ci / build-test (centos-stream9, fedora.dockerfile)	2m 21s
ci / build-test (fedora-39, fedora.dockerfile)	3m 46s
ci / build-test (fedora-40, fedora.dockerfile)	2m 20s
ci / build-test (fedora-41, fedora.dockerfile)	3m 13s
ci / build-test (debian-12, debian.dockerfile)	2m 49s
ci / build-test (debian-13, debian.dockerfile)	3m 6s
ci / build-test (ubuntu-22.04, debian.dockerfile)	2m 3s
ci / build-test (ubuntu-24.04, debian.dockerfile)	3m 0s
ci / build-test (ubuntu-24.10, debian.dockerfile)	2m 55s
ci / build-test (archlinux, archlinux.dockerfile)	1m 38s
ci / build-test (opensuse-tumbleweed, suse.dockerfile)	1m 18s
ci / build-test (opensuse-leap-15.6, suse.dockerfile)	51s
tag / tag	6s
	29m 26s

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