Fix /var/log/syslog directory ownership

roles/rsyslog/tasks/archival.yaml

@@ -42,9 +42,9 @@
 - name: create /var/log/syslog
   file:
     path: /var/log/syslog
-    owner: syslog
+    owner: "{{ rsyslog_dir_owner }}"
-    group: adm
+    group: "{{ rsyslog_dir_group }}"
-    mode: 0750
+    mode: "{{ rsyslog_dir_create_mode }}"
     state: directory
 
 - name: configure archival format