Fixed some lint suggestions

chef.yml

@@ -1,8 +1,9 @@
 - hosts: chef.heaplab.deib.polimi.it
+  name: Base configuration of OS
   pre_tasks:
     - name: Update system
       become: true
-      package:
+      ansible.builtin.package:
         name: "*"
         state: latest # noqa package-latest
     - name: Set hostname
@@ -10,10 +11,10 @@
       ansible.builtin.hostname:
         name: chef
         use: systemd
-    #- name: Reboot
-    #  become: true
-    #  reboot:
-  
+    # - name: Reboot
+    #   become: true
+    #   ansible.builtin.reboot:
+
   roles:
     - auto-updates
     - base-os