xfce panel config tag

tasks/xfce-customization.yaml

@@ -9,6 +9,8 @@
   template:
     src: xfce-customization/xfce4-panel.xml.j2
     dest: /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml
+  tags:
+    - xfce-panel
 
 - name: xfwm4 config
   template: