dns/application: Changed bind9 source to official source

roles/dns/application/tasks/main.yml

@@ -1,5 +1,18 @@
 ---
 
+- name: Add key for official source of bind
+  apt_key:
+    state: present
+    id: 15058500A0235D97F5D10063B188E2B695BD4743
+    url: https://packages.sury.org/bind/apt.gpg
+
+- name: Add official source of bind
+  apt_repository:
+    state: present
+    repo: "deb https://packages.sury.org/bind/ {{ ansible_distribution_release }} main"
+    filename: isc-bind
+    update_cache: yes
+
 - name: Install required packages
   apt:
     state: present