wip: add support for xx-dnf #184

Job	Run time
ld-targets	4s
ld64	48m 34s
binutils-targets	4s
utils-lipo	1m 24s
utils-sigtool	1m 53s
ld (ld-linux-386-static-tgz)	15m 50s
ld (ld-linux-amd64-static-tgz)	15m 59s
ld (ld-linux-arm64-static-tgz)	16m 18s
ld (ld-linux-armv6-static-tgz)	15m 25s
ld (ld-linux-armv7-static-tgz)	14m 48s
ld (ld-linux-ppc64le-static-tgz)	16m 37s
ld (ld-linux-riscv64-static-tgz)	16m 20s
ld (ld-linux-s390x-static-tgz)	15m 37s
ld (ld-windows-386-static-tgz)	15m 42s
ld (ld-windows-amd64-static-tgz)	15m 44s
binutils (binutils-linux-386-alpine)	18m 15s
binutils (binutils-linux-amd64-alpine)	18m 25s
binutils (binutils-linux-arm64-alpine)	18m 25s
binutils (binutils-linux-armv6-alpine)	18m 22s
binutils (binutils-linux-armv7-alpine)	18m 18s
binutils (binutils-linux-ppc64le-alpine)	19m 5s
binutils (binutils-linux-riscv64-alpine)	10m 39s
binutils (binutils-linux-s390x-alpine)	18m 18s
binutils (binutils-windows-386-alpine)	10m 36s
binutils (binutils-windows-amd64-alpine)	10m 34s
release	0s
	6h 11m 16s

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