Enable override of timezone name or hwclock independently

defaults/main.yml

@@ -1,5 +1,5 @@
 ---
 # defaults file for ensure_timezone
-timezone:
-  hwclock: 'UTC'
-  name: 'UTC'
+timezone_hwclock: 'UTC'
+timezone_name: 'UTC'
+

tasks/main.yml

@@ -12,8 +12,8 @@
   ansible.builtin.package_facts:
 - name: 'Set timezone'
   community.general.timezone:
-    hwclock: '{{ timezone.hwclock }}'
-    name: '{{ timezone.name }}'
+    hwclock: '{{ timezone_hwclock }}'
+    name: '{{ timezone_name }}'
   register: 'results'
 - name: 'Restart if time zone changed'
   when: