fix(download): validate mirrors on localhost (#9669)

roles/download/tasks/download_file.yml

@@ -63,6 +63,7 @@
     delegate_to: "{{ download_delegate if download_force_cache else inventory_hostname }}"
     run_once: "{{ download_force_cache }}"
     register: uri_result
+    become: "{{ not download_localhost }}"
     until: uri_result is success
     retries: "{{ download_retries }}"
     delay: "{{ retry_stagger | default(5) }}"