Update matrixbuild to current Linux distributions (#120)

.github/images/centos.Dockerfile

@@ -2,8 +2,8 @@ ARG image=centos/centos:latest
 FROM quay.io/$image
 
 # Install dependencies
-RUN if command -v yum > /dev/null; then dnf=yum; fi; ${dnf:-dnf} update -y
-RUN if command -v yum > /dev/null; then dnf=yum; fi; ${dnf:-dnf} install -y autoconf automake gcc libtool make diffutils file gzip
+RUN dnf -y update
+RUN dnf -y install autoconf automake gcc libtool make diffutils file gzip
 
 # Add source code
 ADD . /src

.github/images/fedora/fedora:39.Dockerfile

@@ -1 +0,0 @@
-../centos.Dockerfile

.github/images/ubuntu:latest.Dockerfile

@@ -1 +0,0 @@
-debian.Dockerfile

.github/workflows/matrixbuild.yml

@@ -12,17 +12,18 @@ jobs:
           - debian:trixie
           - debian:bookworm
           - debian:bullseye
-          - debian:buster
+          - ubuntu:noble
           - ubuntu:jammy
           - ubuntu:focal
-          - ubuntu:latest
+          - fedora/fedora:42
+          - fedora/fedora:41
           - fedora/fedora:40
-          - fedora/fedora:39
+          - centos/centos:stream10
           - centos/centos:stream9
           - rockylinux/rockylinux:9
           - rockylinux/rockylinux:8
           - alpine:edge
-          - alpine:3.19
+          - alpine:3.21
     steps:
     - uses: actions/checkout@v4
     - name: Work around Docker BuildKit regression