Fix self reg app on knightly

Add missing variables to CICD variables and put in group vars knightly

.gitlab-ci.yml

@@ -80,6 +80,7 @@ build_image:
     - s3cmd get --force -r --host=$AWS_HOST --host-bucket=$AWS_HOST s3://cheaha-cloud-ansible-files/ ansible/files/
     - 'sed -i -E "s/(lts_access_key: ).*/\1\"${AWS_ACCESS_KEY_ID}\"/" CRI_XCBC/group_vars/knightly'
     - 'sed -i -E "s/(lts_secret_key: ).*/\1\"${AWS_SECRET_ACCESS_KEY}\"/" CRI_XCBC/group_vars/knightly'
+    - 'sed -i -E "s/(user_register_app_key: ).*/\1\"${SELF_REG_APP_KEY}\"/" CRI_XCBC/group_vars/knightly'
     - packer validate openstack-ood
     - |
       if [ $CI_PIPELINE_SOURCE == 'merge_request_event' ]; then