feat: add keys file for alpine

tasks/ntp.yaml

@@ -12,6 +12,16 @@
         update_cache: true
       when: 'ansible_os_family == "Alpine"'
 
+    # create keys file
+    - name: "ntp - chrony keys file"
+      ansible.builtin.file:
+        path: "/etc/chrony/chrony.keys"
+        owner: "chrony"
+        group: "chrony"
+        mode: "0440"
+        state: "touch"
+      when: 'ansible_os_family == "Alpine"'
+
     # install chrony
     - name: "ntp - install - chrony debian"
       ansible.builtin.apt: