Let elastx cleanup fail

We'll sort it out once we have fixed master

.gitlab-ci/terraform.yml

@@ -155,6 +155,7 @@ tf-elastx_cleanup:
     - pip install -r scripts/openstack-cleanup/requirements.txt
   script:
     - ./scripts/openstack-cleanup/main.py
+  allow_failure: true
 
 tf-elastx_ubuntu20-calico:
   extends: .terraform_apply