containerd: add hashes for 1.5.8 and 1.4.12 and make 1.5.8 the new default (#8239)

* containerd: add hashes for 1.5.8 and 1.4.12 and make 1.5.8 the new default

* containerd: make nerdctl mandatory for container_manager = containerd

* nerdctl: bump to version 0.14.0

* containerd: use nerdctl for image manipulation

* OpenSuSE: install basic nerdctl dependencies

roles/container-engine/containerd/molecule/default/prepare.yml

@@ -8,4 +8,21 @@
   roles:
     - role: kubespray-defaults
     - role: bootstrap-os
-    - { role: kubernetes/preinstall, tags: ["bootstrap-os"] }
+    - role: kubernetes/preinstall
+    - role: adduser
+      user: "{{ addusers.kube }}"
+  tasks:
+    - include_tasks: "../../../../download/tasks/download_file.yml"
+      vars:
+        download: "{{ download_defaults | combine(downloads.cni) }}"
+
+- name: Prepare CNI
+  hosts: all
+  gather_facts: False
+  become: true
+  vars:
+    ignore_assert_errors: true
+    kube_network_plugin: cni
+  roles:
+    - role: kubespray-defaults
+    - role: network_plugin/cni