namespace is osbs-fedora not osbs-client

Signed-off-by: Clement Verna <cverna@tutanota.com>

playbooks/groups/osbs-cluster.yml

@@ -752,7 +752,7 @@
           distribution_scope: 'private',
           registry_api_versions: 'v2',
           builder_openshift_url: 'https://{{osbs_url}}',
-          namespace: 'osbs-client'
+          namespace: 'osbs-fedora'
         },
       when: env == "staging"
       }