fix systemd cgroup driver for containerd (#5220)

roles/container-engine/containerd/templates/config.toml.j2

@@ -19,6 +19,7 @@ disabled_plugins = ["restart"]
   stream_server_address = "127.0.0.1"
   max_container_log_line_size = {{ containerd_config.max_container_log_line_size }}
   sandbox_image = "{{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}"
+  systemd_cgroup = {{ containerd_use_systemd_cgroup|lower }}
 
 [plugins.cri.cni]
   bin_dir = "/opt/cni/bin"