Use fully-qualified module names for builtin Ansible modules

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

roles/matrix-registration/tasks/generate_token.yml

@@ -1,17 +1,17 @@
 ---
 
 - name: Fail if playbook called incorrectly
-  fail:
+  ansible.builtin.fail:
     msg: "The `one_time` variable needs to be provided to this playbook, via --extra-vars"
   when: "one_time is not defined or one_time not in ['yes', 'no']"
 
 - name: Fail if playbook called incorrectly
-  fail:
+  ansible.builtin.fail:
     msg: "The `ex_date` variable (expiration date) needs to be provided to this playbook, via --extra-vars"
   when: "ex_date is not defined or ex_date == '<date>'"
 
 - name: Call matrix-registration token creation API
-  uri:
+  ansible.builtin.uri:
     url: "{{ matrix_registration_api_token_endpoint }}"
     follow_redirects: none
     validate_certs: "{{ matrix_registration_api_validate_certs }}"
@@ -28,7 +28,7 @@
   check_mode: false
   register: matrix_registration_api_result
 
-- set_fact:
+- ansible.builtin.set_fact:
     matrix_registration_api_result_message: >-
       matrix-registration result:
 
@@ -42,7 +42,7 @@
   check_mode: false
 
 - name: Inject result message into matrix_playbook_runtime_results
-  set_fact:
+  ansible.builtin.set_fact:
     matrix_playbook_runtime_results: |
       {{
         matrix_playbook_runtime_results|default([])