make additional interfaces configurable.

this is needed if images are prepared via packer.

hetzner/autoinstall/defaults/main.yml

@@ -4,3 +4,4 @@ autoinstall_authorized_keys_src: .ssh/id_rsa.pub
 autoinstall_hostname: "{{ inventory_hostname }}"
 autoinstall_initramfs_override_interface: true
 autoinstall_initramfs_interface: ens3
+autoinstall_interfaces: "{{ ansible_interfaces }}"

hetzner/autoinstall/tasks/main.yml

@@ -39,7 +39,7 @@
     group: root
     mode: "0644"
   become: yes
-  loop: "{{ ansible_interfaces }}"
+  loop: "{{ autoinstall_interfaces }}"
   loop_control:
     loop_var: interface
   register: debian_interfaces