wip: add support for xx-dnf #505

Job	Run time
validate	8s
test (alpine:3.16, alpine, false)	3m 15s
test (alpine:3.17, alpine, false)	3m 25s
test (alpine:3.18, alpine, false)	3m 47s
test (alpine:3.19, alpine, false)	4m 2s
test (alpine:3.20, alpine, false)	4m 21s
test (alpine:edge, alpine, true)	3m 42s
test (debian:bullseye-backports, debian, false)	13m 47s
test (debian:bookworm, debian, false)	10m 43s
test (debian:bookworm-backports, debian, false)	11m 41s
test (debian:trixie, debian, false)	13m 40s
test (debian:sid, debian, true)	13m 58s
test (ubuntu:20.04, debian, false)	14m 24s
test (ubuntu:22.04, debian, false)	14m 50s
test (ubuntu:23.04, debian, false)	12m 29s
test (ubuntu:24.04, debian, false)	12m 21s
test (redhat/ubi8, rhel, false)	6m 6s
test (fedora:38, rhel, false)	3m 31s
test (fedora:39, rhel, false)	3m 5s
test (fedora:40, rhel, false)	1m 10s
test (fedora:41, rhel, false)	8m 15s
test (centos:7, rhel, false)	39s
test (rockylinux/rockylinux:8, rhel, false)	1m 58s
test (rockylinux/rockylinux:9, rhel, false)	54s
test (oraclelinux:8, rhel, false)	1m 41s
test (oraclelinux:9, rhel, false)	2m 22s
build	0s
	2h 50m 14s

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