.github/workflows/ci-linux.yml: Reduce systems tested with --enable-system-site-packages

Author: Matthias Koeppe

.github/workflows/ci-linux.yml

@@ -111,18 +111,11 @@ jobs:
         ["ubuntu-jammy",
          "ubuntu-lunar",
          "ubuntu-mantic",
-         "debian-bullseye",
          "debian-bookworm",
          "debian-trixie",
          "debian-sid",
-         "linuxmint-21",
          "linuxmint-21.1",
          "linuxmint-21.2",
-         "fedora-33",
-         "fedora-34",
-         "fedora-35",
-         "fedora-36",
-         "fedora-37",
          "fedora-38",
          "fedora-39",
          "centos-stream-8-python3.9",
@@ -131,11 +124,9 @@ jobs:
          "gentoo-python3.10",
          "gentoo-python3.11",
          "archlinux-latest",
-         "opensuse-15.4-gcc_11-python3.10",
          "opensuse-15.5-gcc_11-python3.11",
          "opensuse-tumbleweed-python3.10",
-         "opensuse-tumbleweed",
-         "debian-bullseye-i386"]
+         "opensuse-tumbleweed"]
       docker_push_repository: ghcr.io/${{ github.repository }}/
       max_parallel: 8