[seahorse] appdata: Update screenshot

[Niels De Graef <nielsdg src gnome org>]

commit cf4b060e09b980a7dc02e044b67b0fc3356cfef7
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sat Aug 28 18:48:10 2021 +0200

    appdata: Update screenshot
    
    And put it in Git also, so that it's also version controlled.

 data/org.gnome.seahorse.Application.appdata.xml.in |   4 +++-
 data/screenshot-default.png                        | Bin 0 -> 72143 bytes
 2 files changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/data/org.gnome.seahorse.Application.appdata.xml.in 
b/data/org.gnome.seahorse.Application.appdata.xml.in
index 7c75c7b8..c1d3747a 100644
--- a/data/org.gnome.seahorse.Application.appdata.xml.in
+++ b/data/org.gnome.seahorse.Application.appdata.xml.in
@@ -17,7 +17,9 @@
   </description>
 
   <screenshots>
-    <screenshot 
type="default">https://wiki.gnome.org/Apps/Seahorse?action=AttachFile&amp;do=get&amp;target=seahorse-screenshot.png</screenshot>
+    <screenshot type="default">
+      <image width="1024" 
height="576">https://gitlab.gnome.org/GNOME/seahorse/raw/master/data/screenshot-default.png</image>
+    </screenshot>
   </screenshots>
 
   <releases>
diff --git a/data/screenshot-default.png b/data/screenshot-default.png
new file mode 100644
index 00000000..0807528f
Binary files /dev/null and b/data/screenshot-default.png differ