REFACTOR: files fixed according to ansible-lint

roles/basic_postinstall/tasks/prepare_ansible_user.yaml

@@ -1,20 +1,20 @@
 ---
 ## Installing packages
 - name: Install sudo on apt systems
-  when: (ansible_facts['distribution'] == "Debian") or 
+  when: (ansible_facts['distribution'] == "Debian") or
         (ansible_facts['distribution'] == "Ubuntu")
-  apt:
+  ansible.builtin.apt:
     name:
       - sudo
-    update-cache: yes
+    update-cache: true
 
-- name: Update Alpine packages
+# The same commands for Alpine
+- name: Update and install packages on Alpine
   when: (ansible_facts['distribution'] == "Alpine")
-  command: /sbin/apk update
-
-- name: Install sudo package on Alpine
-  when: (ansible_facts['distribution'] == "Alpine")
-  command: /sbin/apk add sudo
+  community.general.apk:
+    name: sudo
+    update_cache: true
+  remote_user: ansible
 
 
 ## Creating and setting up the ansible user
@@ -26,16 +26,16 @@
 
 ## Add the user to sshusers (for ssh access) and sudo (gain root access)
 - name: Create a new user with a password for Ansible
-  user: 
+  ansible.builtin.user:
     name: ansible
     password: "{{ ansible_user_passwd_hash }}"
 
     groups: sshusers,sudo
-    append: yes
+    append: true
 
-## Since password authentication in SSH will be disabled, we need to add an authorized key 
+## Since password authentication in SSH will be disabled, we need to add an authorized key
 - name: Set authorized key taken from file
   ansible.posix.authorized_key:
     user: ansible
     state: present
-    key: "{{ ansible_ssh_key }}"
+    key: "{{ ansible_ssh_key }}"