scripts/installer.sh: support DNF5 #63

Job	Run time
test (debian:oldstable-slim, curl)	14s
test (debian:stable-slim, curl)	16s
test (debian:testing-slim, curl)	14s
test (debian:sid-slim, curl)	16s
test (ubuntu:18.04, curl)	14s
test (ubuntu:20.04, curl)	26s
test (ubuntu:22.04, curl)	21s
test (ubuntu:23.04, curl)	17s
test (elementary/docker:stable, curl)	31s
test (elementary/docker:unstable, curl)	34s
test (parrotsec/core:lts-amd64, curl)	10m 25s
test (parrotsec/core:latest, curl)	17s
test (kalilinux/kali-rolling, curl)	18s
test (kalilinux/kali-dev, curl)	22s
test (oraclelinux:9, curl)	33s
test (oraclelinux:8, curl)	46s
test (fedora:latest, curl)	24s
test (rockylinux:8.7, curl)	19s
test (rockylinux:9, curl)	24s
test (amazonlinux:latest, curl)	20s
test (opensuse/leap:latest, curl)	36s
test (opensuse/tumbleweed:latest, curl)	21s
test (archlinux:latest, curl)	18s
test (alpine:3.14, curl)	15s
test (alpine:latest, curl)	13s
test (alpine:edge, curl)	6s
test (debian:oldstable-slim, wget)	20s
test (debian:sid-slim, wget)	20s
test (ubuntu:23.04, wget)	18s
test (ubuntu:16.04, curl apt-transport-https)	13s
test (ubuntu:16.04, wget apt-transport-https)	13s
	20m 44s

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