Fix inconsistent task name

roles/openshift_preflight/common/tasks/main.yml

@@ -8,7 +8,7 @@
       register: r
 
     - set_fact:
-        oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'check content available on all hosts'})] }}"
+        oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'determine if yum update will work'})] }}"
 
     - name: determine if expected version matches what is available
       aos_version: