[gnome-build-meta/pango-main] Track pango from the main branch

[Matthias Clasen <matthiasc src gnome org>]

commit 7a8fdf6a8ae380687a4aabadaaa833ccb7a5e8fc
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jul 17 08:16:43 2021 -0400

    Track pango from the main branch
    
    Change the Pango subproject to use the main branch.
    
    This depends on
    https://gitlab.gnome.org/GNOME/pango/-/merge_requests/379

 elements/sdk/pango.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/sdk/pango.bst b/elements/sdk/pango.bst
index 69d6ccd4..af157029 100644
--- a/elements/sdk/pango.bst
+++ b/elements/sdk/pango.bst
@@ -2,7 +2,7 @@ kind: meson
 sources:
 - kind: git_tag
   url: gitlab_gnome_org:GNOME/pango.git
-  track: master
+  track: main
 build-depends:
 - sdk/gobject-introspection.bst
 - sdk/gtk-doc.bst