docs(examples): update to use Ansible FQCN

- Updated debug tasks to use ansible.builtin.debug (FQCN)
- Removed trailing whitespace
- Fixed line length violations
- Examples now follow Ansible guidelines

docs/sample_zone_format.yml

@@ -11,7 +11,7 @@ list_of_nsupdate_zones:
         type: TXT
         value: 'c8445a4f-cf4c-4130-94c8-21c2b0da80c0'
         state: absent
-        
+
       # Multiple values are specified in list form.
       - record: 'hugs.dk.'
         type: CAA
@@ -47,7 +47,7 @@ list_of_nsupdate_zones:
           - "v=spf1 mx a include:_spf.google.com ~all"
           - "google-site-verification=8PimrghUKUJi9dJhfj1CGyB7s5zzf6ZiiZxukzPALM0"
 
-      # Complex records with multiple fields are simply 
+      # Complex records with multiple fields are simply
       # separated by a space in the value field.
       - record: 'hugs.dk.'
         type: MX
@@ -63,15 +63,15 @@ list_of_nsupdate_zones:
 - name: Provision DNS zones efficiently
   hosts: localhost
   gather_facts: false
-  
+
   vars_files:
     - sample_zone_format.yml
-  
+
   vars:
     # Your TSIG key for authentication
     dns_tsig_key_name: "nsupdate"
     dns_tsig_key_secret: "{{ vault_dns_key }}"  # Store in ansible-vault
-    
+
   tasks:
     - name: Update DNS zones
       valid.nsupdate_zone.nsupdate_zone:
@@ -84,9 +84,9 @@ list_of_nsupdate_zones:
           - '^_acme-challenge\..*'
         zones: "{{ list_of_nsupdate_zones }}"
       register: zone_update_result
-    
+
     - name: Display update summary
-      debug:
+      ansible.builtin.debug:
         msg: |
           Zone: {{ item.zone }}
           Changed: {{ item.changed }}