Fix/Replace old references;Fix syntaxes

ansible/roles/metacluster/tasks/components.yml

@@ -0,0 +1,3 @@
+#- name: XYZ
+#  ansible.builtin.get_url:
+

ansible/roles/metacluster/tasks/main.yml

@@ -1,2 +1,4 @@
-- name: XYZ
-  import_tasks: foo.yml
+- name: Pre-stage K3s components
+  import_tasks: k3s.yml
+- name: Pre-stage meta components
+  import_tasks: components.yml