Add unsafe_show_logs switch (#9164)

inventory/sample/group_vars/all/all.yml

roles/bootstrap-os/defaults/main.yml

roles/bootstrap-os/tasks/bootstrap-redhat.yml

roles/download/defaults/main.yml

roles/download/tasks/download_file.yml

roles/download/tasks/prep_download.yml

roles/etcd/defaults/main.yml

roles/etcd/tasks/gen_certs_script.yml

roles/kubernetes-apps/csi_driver/vsphere/defaults/main.yml

roles/kubernetes-apps/csi_driver/vsphere/tasks/main.yml

tests/common/_kubespray_test_settings.yml