autoremove apt packages after upgrades

roles/apt_update_and_upgrade/README.md

@@ -1,6 +1,6 @@
 # Role `apt_update_and_upgrade`
 
-This role does an `apt-get update`, `apt-get dist-upgrade` and a potential reboot (if packages got upgraded) on the specified hosts.
+This role does an `apt-get update`, `apt-get dist-upgrade`, `apt-get autoremove` and a potential reboot (if packages got upgraded) on the specified hosts.
 
 ## `hosts`
 

roles/apt_update_and_upgrade/tasks/main.yaml

@@ -11,3 +11,7 @@
       register: apt_update_and_upgrade__upgrade_result
       notify:
         - reboot the system
+
+    - name: Remove dependencies that are no longer required and purge their configuration files
+      ansible.builtin.apt:
+        autoremove: true