Do not install gnupg2 on Ubuntu 20.04 and superior

tasks/setup-Debian.yml

@@ -11,9 +11,14 @@
     name:
       - apt-transport-https
       - ca-certificates
-      - gnupg2
     state: present
 
+- name: Ensure gnupg2 dependency is installed.
+  apt:
+    name: gnupg2
+    state: present
+  when: ansible_distribution != 'Ubuntu' or ansible_distribution_version is version('20.04', '<')
+
 - name: Add Docker apt key.
   apt_key:
     url: "{{ docker_apt_gpg_key }}"