meta/main.yml

 galaxy_info:
+  role_name: unattended_upgrades
+  namespace: dmitriysafronov
   author: Dmitriy Safronov <zimniy@cyberbrain.pw>
   description: Unattended upgrades configuration
 #  company: your company (optional)

tasks/deb/main.yml

@@ -19,7 +19,7 @@
     owner: root
     group: root
     mode: "0644"
-    notify: Restart unattended-upgrades service
+  notify: Restart unattended-upgrades service
 
 - name: Template a file to /etc/apt/apt.conf.d/50unattended-upgrades
   ansible.legacy.copy:
@@ -39,4 +39,4 @@
     owner: root
     group: root
     mode: "0644"
-    notify: Restart unattended-upgrades service
+  notify: Restart unattended-upgrades service

tasks/main.yml

@@ -2,6 +2,6 @@
 
 # Ubuntu
 - name: Perform specific setup for Ubuntu & Debian
-  include_tasks: deb/main.yml
+  ansible.builtin.include_tasks: deb/main.yml
   when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'
   tags: deb