Enable swift for fs039

Nova/Ironic require swift for certain use cases. Let's enable
it for fs039 where we use nova for node provisioning.

Depends-On: https://review.opendev.org/c/openstack/tripleo-quickstart-extras/+/773559
Change-Id: Ia30d28237c744644e5b8a435458a65fdbcfea4ae

config/general_config/featureset039.yml

@@ -198,6 +198,7 @@ undercloud_enable_tempest: >-
   {%- endif -%}
 
 undercloud_enable_nova: true
+undercloud_enable_swift: true
 
 # TLS everywhere related vars. #
 enable_tls_everywhere: true