Add general task for deps, include dirmngr

tasks/installation/debian/main.yml

@@ -4,6 +4,14 @@
 # This task installs Oracle JDK into a system
 # with Debian based OS.
 
+- name: Debian -> ensure essential packages are installed
+  apt:
+    name: "{{ item }}"
+    state: present
+    update_cache: yes
+  with_items:
+  - dirmngr
+
 - name: Debian -> ensure the APT repository key is present
   apt_key:
     id: "{{ java_apt_repository_key }}"