zuul: Skip test_attach_cloned_encrypted_volume in nova-ceph-multistore

As with the already listed encrypted volume tests this job specifically
blocks us from downloading non-raw images via Glance as part of these
tests so skip it.

Change-Id: Iaf6f6e0dbcb25561bf00e969e1964cd30e974e64
Closes-Bug: #1912607

Author: lyarwood

.zuul.yaml

@@ -379,7 +379,7 @@
       # NOTE(danms): These tests create an empty non-raw image, which nova
       # will refuse because we set never_download_image_if_on_rbd in this job.
       # Just skip these tests for this case.
-      tempest_black_regex: .*encrypted_cinder_volumes.*
+      tempest_black_regex: .*encrypted_cinder_volumes.*|.*test_attach_cloned_encrypted_volume.*
       devstack_localrc:
         GLANCE_STANDALONE: True
         GLANCE_USE_IMPORT_WORKFLOW: True