Add Fedora 42

And clean EOL ubuntu.

Author: fauust

.github/workflows/build.yml

@@ -42,12 +42,6 @@ jobs:
           - image: debian:sid-slim
             dockerfile: Dockerfile.debian
             platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
-          - image: ubuntu:18.04
-            dockerfile: Dockerfile.debian
-            platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
-          - image: ubuntu:20.04
-            dockerfile: Dockerfile.debian
-            platforms: linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
           - image: ubuntu:22.04
             dockerfile: Dockerfile.debian
             platforms: linux/amd64,linux/arm/v7,linux/ppc64le,linux/s390x
@@ -57,6 +51,9 @@ jobs:
           - image: fedora:41
             dockerfile: Dockerfile.redhat
             platforms: linux/amd64,linux/arm64/v8
+          - image: fedora:42
+            dockerfile: Dockerfile.redhat
+            platforms: linux/amd64,linux/arm64/v8
           - image: almalinux:8
             dockerfile: Dockerfile.redhat
             platforms: linux/amd64,linux/arm64/v8,linux/ppc64le,linux/s390x

README.md

@@ -23,11 +23,10 @@ Example `base_system` arguments :
 - `debian:12-slim`
 - `debian:trixie-slim`
 - `debian:sid-slim`
-- `ubuntu:18.04`
-- `ubuntu:20.04`
 - `ubuntu:22.04`
 - `ubuntu:24.04`
 - `fedora:41`
+- `fedora:42`
 - `almalinux:8`
 - `almalinux:9`
 - `rockylinux:8`
@@ -47,11 +46,10 @@ The following containers are available from [Docker Hub](https://hub.docker.com/
 ❯ docker pull ghcr.io/fauust/docker-systemd:debian-12
 ❯ docker pull ghcr.io/fauust/docker-systemd:debian-trixie #//TEMP change to 13 after release
 ❯ docker pull ghcr.io/fauust/docker-systemd:debian-sid
-❯ docker pull ghcr.io/fauust/docker-systemd:ubuntu-18.04
-❯ docker pull ghcr.io/fauust/docker-systemd:ubuntu-20.04
 ❯ docker pull ghcr.io/fauust/docker-systemd:ubuntu-22.04
 ❯ docker pull ghcr.io/fauust/docker-systemd:ubuntu-24.04
 ❯ docker pull ghcr.io/fauust/docker-systemd:fedora-41
+❯ docker pull ghcr.io/fauust/docker-systemd:fedora-42
 ❯ docker pull ghcr.io/fauust/docker-systemd:almalinux-8
 ❯ docker pull ghcr.io/fauust/docker-systemd:almalinux-9
 ❯ docker pull ghcr.io/fauust/docker-systemd:rockylinux-8