Use fully-qualified module names for builtin Ansible modules

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

roles/matrix-bridge-appservice-slack/tasks/migrate_nedb_to_postgres.yml

@@ -1,21 +1,21 @@
 ---
 
 - name: Fail if Postgres not enabled
-  fail:
+  ansible.builtin.fail:
     msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot migrate."
   when: "not matrix_postgres_enabled|bool"
 
 # Defaults
 
 - name: Set postgres_start_wait_time, if not provided
-  set_fact:
+  ansible.builtin.set_fact:
     postgres_start_wait_time: 15
   when: "postgres_start_wait_time|default('') == ''"
 
 # Actual import work
 
 - name: Ensure matrix-postgres is started
-  service:
+  ansible.builtin.service:
     name: matrix-postgres
     state: started
     daemon_reload: true
@@ -29,12 +29,12 @@
   when: "matrix_postgres_service_start_result.changed|bool"
 
 - name: Ensure matrix-appservice-slack is stopped
-  service:
+  ansible.builtin.service:
     name: matrix-appservice-slack
     state: stopped
 
 - name: Import appservice-slack NeDB database into Postgres
-  command:
+  ansible.builtin.command:
     cmd: >-
       {{ matrix_host_command_docker }} run
       --rm
@@ -48,7 +48,7 @@
       '/usr/local/bin/node /usr/src/app/lib/scripts/migrateToPostgres.js --dbdir /data --connectionString {{ matrix_appservice_slack_database_connection_string }}'
 
 - name: Archive NeDB database files
-  command:
+  ansible.builtin.command:
     cmd: "mv {{ matrix_appservice_slack_data_path }}/{{ item }} {{ matrix_appservice_slack_data_path }}/{{ item }}.backup"
   with_items:
     - teams.db
@@ -57,7 +57,7 @@
     - event-store.db
 
 - name: Inject result
-  set_fact:
+  ansible.builtin.set_fact:
     matrix_playbook_runtime_results: |
       {{
         matrix_playbook_runtime_results|default([])