fixed typo: ansible.buildin.* -> ansible.builtin.*

tasks/main.yml

 ---
 
 - name: create rc.d directory
-  ansible.buildin.file:
+  ansible.builtin.file:
     path: "{{ system_config_directory }}/rc.d/"
     mode: '755'
     state: directory
 
 - name: install rc.d files
-  ansible.buildin.copy:
+  ansible.builtin.copy:
     src: "{{ _rcfile }}"
     dest: "{{ system_config_directory }}/rc.d/{{ _rcfile }}"
   loop:
@@ -18,7 +18,7 @@
     loop_var: _rcfile
 
 - name: set permissions of rc.d files
-  ansible.buildin.file:
+  ansible.builtin.file:
     path: "{{ system_config_directory }}/rc.d/{{ _rcfile }}"
     mode: '555'
   loop:
@@ -33,7 +33,7 @@
     super: true
 
 - name: create kea configuration directory
-  ansible.buildin.file:
+  ansible.builtin.file:
     path: "{{ system_config_directory }}/kea"
     state: directory