Fix new worker node addition

Ignore unhold error when packages are not yet installed.

roles/packages/tasks/pkg_Debian.yml

@@ -13,6 +13,7 @@
     dest: /etc/apt/preferences.d/{{ item.pkg }}
     state: absent
   loop: "{{ kube_package_dict|dict2items('pkg', 'version')|rejectattr('version') }}"
+  ignore_errors: "{{ _kube_repo_just_added is changed or ansible_check_mode }}"
 
 - name: 'Unhold package before upgrade'
   dpkg_selections: