copr-builder: add debugging line into /etc/hosts for #7301

* #7301 Copr builds are failing due to mirror errors

roles/copr/backend/files/provision/provision_builder_tasks.yml

@@ -103,6 +103,12 @@
     line: '209.132.181.16 mirrors.fedoraproject.org'
     state: 'present'
 
+- name: 'debug for https://pagure.io/fedora-infrastructure/issue/7301'
+  lineinfile:
+    dest: '/etc/hosts'
+    line: '209.132.181.27 dl.fedoraproject.org'
+    state: 'present'
+
 - name: Disable DNF makecache timer
   systemd:
     name: dnf-makecache.timer