Use fully-qualified module names for builtin Ansible modules

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

roles/matrix-synapse/tasks/ext/encryption-disabler/setup_install.yml

@@ -1,7 +1,7 @@
 ---
 
 - name: Download matrix_encryption_disabler
-  get_url:
+  ansible.builtin.get_url:
     url: "{{ matrix_synapse_ext_encryption_disabler_download_url }}"
     dest: "{{ matrix_synapse_ext_path }}/matrix_e2ee_filter.py"
     force: true
@@ -13,7 +13,7 @@
   delay: "{{ matrix_geturl_retries_delay }}"
   until: result is not failed
 
-- set_fact:
+- ansible.builtin.set_fact:
     matrix_synapse_modules: |
       {{
         matrix_synapse_modules|default([])

roles/matrix-synapse/tasks/ext/encryption-disabler/setup_uninstall.yml

@@ -1,6 +1,6 @@
 ---
 
 - name: Ensure matrix_encryption_disabler doesn't exist
-  file:
+  ansible.builtin.file:
     path: "{{ matrix_synapse_ext_path }}/matrix_e2ee_filter.py"
     state: absent