fix: match filenames to convention

init-rocky-openqa-developer-host.yml

@@ -20,7 +20,7 @@
   become: true
   vars_files:
     - vars/openqa.yml
-    - vars/openqa_branding.yml
+    - vars/openqa-branding.yml
 
   # This is to try to avoid the handler issue in pre/post tasks
   handlers:
@@ -45,7 +45,7 @@
       ansible.builtin.import_tasks: tasks/openqa.yml
 
     - name: Apply Rocky Linux OpenQA Branding
-      ansible.builtin.import_tasks: tasks/openqa_branding.yml
+      ansible.builtin.import_tasks: tasks/openqa-branding.yml
 
   post_tasks:
     - name: Touching run file that ansible has ran here