[baobab] appdata: Use HEAD for screenshot URLs

[Christopher Davis <christopherdavis src gnome org>]

commit 9bc0954157b5943b44da7706a9faaab36ba2dace
Author: Christopher Davis <christopherdavis gnome org>
Date:   Sun Feb 20 12:15:59 2022 -0800

    appdata: Use HEAD for screenshot URLs
    
    Will always point to the main branch.

 data/org.gnome.baobab.appdata.xml.in | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/org.gnome.baobab.appdata.xml.in b/data/org.gnome.baobab.appdata.xml.in
index b044a65..795b801 100644
--- a/data/org.gnome.baobab.appdata.xml.in
+++ b/data/org.gnome.baobab.appdata.xml.in
@@ -17,11 +17,11 @@
   </description>
   <screenshots>
     <screenshot height="1323" width="855" type="default">
-      <image>https://gitlab.gnome.org/GNOME/baobab/raw/master/data/default.png</image>
+      <image>https://gitlab.gnome.org/GNOME/baobab/raw/HEAD/data/default.png</image>
     </screenshot>
     <screenshot height="1323" width="855">
       <caption>Devices and Locations</caption>
-      <image>https://gitlab.gnome.org/GNOME/baobab/raw/master/data/devicesandlocations.png</image>
+      <image>https://gitlab.gnome.org/GNOME/baobab/raw/HEAD/data/devicesandlocations.png</image>
     </screenshot>
   </screenshots>
   <kudos>