Use official podman

Author: cristianrgreco

.github/workflows/test-template.yml

@@ -34,8 +34,6 @@ jobs:
       - name: Podman setup
         if: ${{ inputs.container-runtime == 'podman' }}
         run: |
-          curl -fsSL "https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_$(lsb_release -rs)/Release.key" | gpg --dearmor | sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/null
-          echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg] https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/unstable/xUbuntu_$(lsb_release -rs)/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:unstable.list > /dev/null
           sudo apt-get update
           sudo apt-get -y install podman
           systemctl enable --now --user podman podman.socket