Remove support for outdated platforms

cisagov/cyhy-runner requires at least Python 3.9 as of
cisagov/cyhy-runner#34, and Debian Buster (10) and Ubuntu
Focal (20.04) do not offer anything later than Python 3.8.

Author: jsf9k

.github/workflows/build.yml

@@ -186,15 +186,13 @@ jobs:
           - arm64
         platform:
           - amazonlinux2023-systemd
-          - debian10-systemd
           - debian11-systemd
           - debian12-systemd
           - debian13-systemd
           - fedora39-systemd
           - fedora40-systemd
           - fedora41-systemd
           - kali-systemd
-          - ubuntu-20-systemd
           - ubuntu-22-systemd
           - ubuntu-24-systemd
         scenario:

meta/main.yml

@@ -30,7 +30,6 @@ galaxy_info:
         - "2023"
     - name: Debian
       versions:
-        - buster
         - bullseye
         - bookworm
         - trixie
@@ -44,7 +43,6 @@ galaxy_info:
         - "2023"
     - name: Ubuntu
       versions:
-        - focal
         - jammy
         - noble
   role_name: cyhy_runner

molecule/default/molecule.yml

@@ -22,24 +22,6 @@ platforms:
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
-  - cgroupns_mode: host
-    command: /lib/systemd/systemd
-    image: docker.io/geerlingguy/docker-debian10-ansible:latest
-    name: debian10-systemd-amd64
-    platform: amd64
-    pre_build_image: true
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:rw
-  - cgroupns_mode: host
-    command: /lib/systemd/systemd
-    image: docker.io/geerlingguy/docker-debian10-ansible:latest
-    name: debian10-systemd-arm64
-    platform: arm64
-    pre_build_image: true
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:rw
   - cgroupns_mode: host
     command: /lib/systemd/systemd
     image: docker.io/geerlingguy/docker-debian11-ansible:latest
@@ -166,24 +148,6 @@ platforms:
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
-  - cgroupns_mode: host
-    command: /lib/systemd/systemd
-    image: docker.io/geerlingguy/docker-ubuntu2004-ansible:latest
-    name: ubuntu-20-systemd-amd64
-    platform: amd64
-    pre_build_image: true
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:rw
-  - cgroupns_mode: host
-    command: /lib/systemd/systemd
-    image: docker.io/geerlingguy/docker-ubuntu2004-ansible:latest
-    name: ubuntu-20-systemd-arm64
-    platform: arm64
-    pre_build_image: true
-    privileged: true
-    volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:rw
   - cgroupns_mode: host
     command: /lib/systemd/systemd
     image: docker.io/geerlingguy/docker-ubuntu2204-ansible:latest