openshift_certificate_expiry role fails with "'ansible_date_time' is undefined"

Issue

• Using the openshift_certificate_expiry role to redeploy certificates results in the following error message:

  TASK [openshift_certificate_expiry : Generate expiration report HTML] ***************************************************************************************************************  
  fatal: [abc]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: 'ansible_date_time' is undefined\n\nThe error appears to have been in '/usr/share/ansible/  openshift-ansible/roles/openshift_certificate_expiry/tasks/main.yml': line 15, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to   be:\n\n\n- name: Generate expiration report HTML\n  ^ here\n"}