Fix dpkg_selection on non-existing packages

Needed since ansible-core>2.16, see:
ansible/ansible@f10d11b

roles/container-engine/docker/tasks/main.yml

@@ -96,7 +96,10 @@
     name: "{{ item }}"
     selection: install
   when: ansible_pkg_mgr == 'apt'
-  changed_when: false
+  register: ret
+  failed_when:
+    - ret is failed
+    - ret.msg != ( "Failed to find package '" + item + "' to perform selection 'install'." )
   with_items:
     - "{{ containerd_package }}"
     - docker-ce