[gnome-build-meta/abderrahim/backgrounds-master] core/gnome-backgrounds.bst: switch branch name to main

[Marge Bot <marge-bot src gnome org>]

commit 49c2a735cb1a6c0e6793effd71c852914c6c9bd8
Author: Abderrahim Kitouni <akitouni gnome org>
Date:   Tue Oct 5 09:35:03 2021 +0100

    core/gnome-backgrounds.bst: switch branch name to main
    
    Fixes #439
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-build-meta/-/merge_requests/1324>

 elements/core/gnome-backgrounds.bst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/elements/core/gnome-backgrounds.bst b/elements/core/gnome-backgrounds.bst
index be52cf824..2bc4f3b4a 100644
--- a/elements/core/gnome-backgrounds.bst
+++ b/elements/core/gnome-backgrounds.bst
@@ -1,10 +1,13 @@
 kind: meson
+
 sources:
 - kind: git_tag
   url: gitlab_gnome_org:GNOME/gnome-backgrounds.git
-  track: master
+  track: main
+
 build-depends:
 - freedesktop-sdk.bst:public-stacks/buildsystem-meson.bst
+
 depends:
 - sdk/glib.bst
 - freedesktop-sdk.bst:bootstrap-import.bst