[zuul][logging] Update var names for the telemetry_logging role

Author: elfiesmelfie

ci/logging_tests_computes.yml

@@ -45,8 +45,8 @@
     KUBECONFIG: "{{ cifmw_openshift_kubeconfig }}"
     PATH: "{{ cifmw_path }}"
   vars:
-    identifiers_test_id: "RHOSO-12681"
-    identifiers_list:
+    journal_test_id: "RHOSO-12681"
+    journal_list:
       - ceilometer_agent_compute
       - nova_compute
   tasks:

roles/telemetry_logging/tasks/main.yml

@@ -2,4 +2,4 @@
 - name: "Verify journal entries - {{ journal_test_id }}"
   when: journal_list is defined
   ansible.builtin.include_tasks: "journal_tests.yml"
-  loop: "{{ identifiers_list }}"
+  loop: "{{ journal_list }}"