Use fully-qualified module names for builtin Ansible modules

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1939

roles/matrix-aux/tasks/setup.yml

@@ -1,7 +1,7 @@
 ---
 
 - name: Ensure AUX directories are created
-  file:
+  ansible.builtin.file:
     dest: "{{ item.dest }}"
     state: directory
     owner: "{{ item.owner|default(matrix_user_username) }}"
@@ -10,7 +10,7 @@
   with_items: "{{ matrix_aux_directory_definitions }}"
 
 - name: Ensure AUX files are created
-  copy:
+  ansible.builtin.copy:
     dest: "{{ item.dest }}"
     content: "{{ item.content }}"
     owner: "{{ item.owner|default(matrix_user_username) }}"