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-irc/tasks/validate_config.yml

@@ -1,7 +1,7 @@
 ---
 
 - name: Fail if required settings not defined
-  fail:
+  ansible.builtin.fail:
     msg: >-
       You need to define a required configuration setting (`{{ item }}`).
   when: "vars[item] == ''"
@@ -17,7 +17,7 @@
 #
 # This is a safety check to ensure we fail earlier and in a nicer way.
 - name: Fail if no additional configuration provided
-  fail:
+  ansible.builtin.fail:
     msg: >-
       Your Appservice IRC configuration is incomplete (lacking an `ircService.servers` configuration).
       You need to define one or more servers by either using `matrix_appservice_irc_ircService_servers`
@@ -26,7 +26,7 @@
   when: "matrix_appservice_irc_configuration.ircService.servers|length == 0"
 
 - name: (Deprecation) Catch and report renamed appservice-irc variables
-  fail:
+  ansible.builtin.fail:
     msg: >-
       Your configuration contains a variable, which now has a different name.
       Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).