Use correct rsnapshot.conf destination file name

postgres/tasks/main.yml

@@ -43,7 +43,7 @@
 - name: ensure we have our rsnapshot config
   template:
     src: rsnapshot.conf.j2
-    dest: /etc/
+    dest: /etc/rsnapshot.conf
     owner: root
     group: root
     mode: '0644'