Fix ansible core 2.20

Signed-off-by: Jason Rothstein <fdragon@fdragon.org>

tasks/main.yml

@@ -2,12 +2,12 @@
 # tasks file for ensure_timezone
 - name: 'package discovery'
   when:
-    - ansible_system == 'Linux'
-    - packages is not defined
+    - ansible_facts["system"] == 'Linux'
+    - ansible_facts["packages"] is not defined
   ansible.builtin.package_facts:
 - name: 'service discovery'
   when:
-    - ansible_system == 'Linux'
+    - ansible_facts["system"] == 'Linux'
     - services is not defined
   ansible.builtin.service_facts:
 - name: 'Set timezone'
@@ -17,7 +17,7 @@
   register: 'results'
 - name: 'Restart if time zone changed'
   when:
-    - ansible_system == 'Linux'
+    - ansible_facts["system"] == 'Linux'
     - services is defined
     - services[item.name] is defined
     - results.changed
@@ -39,7 +39,7 @@
     - 'ensure_timezone.service_facts'
 - name: 'ensure services'
   when:
-    - ansible_system == 'Linux'
+    - ansible_facts["system"] == 'Linux'
     - services is defined
     - services[item.name] is defined
   ansible.builtin.service: