removing loop

roles/firstrun/tasks/main.yml

@@ -31,8 +31,7 @@
 - name: Install SSH keys for deploy user
   ansible.posix.authorized_key:
     user: "{{ deploy_user }}"
-    key: "{{ item }}"
-  loop: "{{ ssh_key_ansible }}"
+    key: "{{ ssh_key_ansible }}"
 
 - name: Install extra host-specific packages (if defined)
   ansible.builtin.apt: