Add a tag for orchestrator namespace

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

playbooks/groups/osbs-cluster.yml

@@ -470,6 +470,8 @@
     koji_kerberos_keytab: "FILE/etc/krb5.osbs_{{ osbs_url }}.keytab"
     koji_kerberos_principal: "osbs/{{osbs_url}}@{{ ipa_realm }}"
     when: env == "staging"
+  tags:
+    - osbs-orchestrator-namespace
 
 - name: setup reactor config secret in orchestrator namespace
   hosts: osbs-masters-stg[0]