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/init.yml

@@ -2,7 +2,7 @@
 # See https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1070
 # and https://github.com/spantaleev/matrix-docker-ansible-deploy/commit/1ab507349c752042d26def3e95884f6df8886b74#commitcomment-51108407
 - name: Fail if trying to self-build on Ansible < 2.8
-  fail:
+  ansible.builtin.fail:
     msg: "To self-build the Synapse image, you should use Ansible 2.8 or higher. See docs/ansible.md"
   when: "ansible_version.major == 2 and ansible_version.minor < 8 and matrix_synapse_container_image_self_build and matrix_synapse_enabled"
 
@@ -11,7 +11,7 @@
 - import_tasks: "{{ role_path }}/tasks/synapse/workers/init.yml"
   when: "matrix_synapse_enabled and matrix_synapse_workers_enabled and matrix_synapse_workers_enabled_list|length == 0"
 
-- set_fact:
+- ansible.builtin.set_fact:
     matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-synapse.service'] }}"
   when: matrix_synapse_enabled|bool
 
@@ -22,13 +22,13 @@
     loop_var: matrix_synapse_worker_details
   when: matrix_synapse_enabled|bool and matrix_synapse_workers_enabled|bool
 
-- set_fact:
+- ansible.builtin.set_fact:
     matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-goofys.service'] }}"
   when: matrix_s3_media_store_enabled|bool
 
 - block:
     - name: Fail if matrix-nginx-proxy role already executed
-      fail:
+      ansible.builtin.fail:
         msg: >-
           Trying to append Synapse's reverse-proxying configuration to matrix-nginx-proxy,
           but it's pointless since the matrix-nginx-proxy role had already executed.
@@ -37,7 +37,7 @@
       when: matrix_nginx_proxy_role_executed|default(False)|bool
 
     - name: Generate synapse metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/synapse/main-process)
-      set_fact:
+      ansible.builtin.set_fact:
         matrix_synapse_nginx_metrics_configuration_block: |
           location /metrics/synapse/main-process {
             {% if matrix_nginx_proxy_enabled|default(False) %}
@@ -52,7 +52,7 @@
           }
 
     - name: Register synapse metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/synapse/main-process)
-      set_fact:
+      ansible.builtin.set_fact:
         matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks: |
           {{
             matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks|default([])
@@ -61,7 +61,7 @@
           }}
 
     - name: Generate synapse worker metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/synapse/worker)
-      set_fact:
+      ansible.builtin.set_fact:
         matrix_synapse_worker_nginx_metrics_configuration_block: |
           {% for worker in matrix_synapse_workers_enabled_list %}
           {% if worker.metrics_port != 0 %}
@@ -76,7 +76,7 @@
       when: matrix_synapse_workers_enabled_list|length > 0
 
     - name: Register synapse worker metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/synapse/worker)
-      set_fact:
+      ansible.builtin.set_fact:
         matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks: |
           {{
             matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks|default([])