OSBS: fix the osbs_nodes_stg group name in a loop for the worker namespace too

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

playbooks/groups/osbs-cluster.yml

@@ -415,11 +415,11 @@
   tasks:
     - name: Add the worker label
       command: "oc -n {{ osbs_worker_namespace }} label nodes {{ item }} worker=true --overwrite"
-      loop: "{{ groups['osbs-nodes-stg'] }}"
+      loop: "{{ groups['osbs_nodes_stg'] }}"
       when: env == "staging"
     - name: Add the worker label
       command: "oc -n {{ osbs_worker_namespace }} label nodes {{ item }} worker=true --overwrite"
-      loop: "{{ groups['osbs-nodes'] }}"
+      loop: "{{ groups['osbs_nodes'] }}"
       when: env == "production"
 
 - name: Add the worker labels to the nodes aarch64