refactor: yml -> yaml

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/proxmox/tasks/01_setup_localhost.yaml

@@ -0,0 +1,7 @@
+---
+- name: Install dependencies
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    update_cache: true
+    state: present
+  loop: "{{ proxmox_localhost_dependencies }}"