[gnome-shell] gnome-shell.doap: Mailing list moved to Discouse per #3253

[Olav Vitters <ovitters src gnome org>]

commit 62d0c3a661b2cc1d1286cef19c01c3bd4f3214cf
Author: Olav Vitters <olav vitters nl>
Date:   Mon Nov 2 14:45:13 2020 +0100

    gnome-shell.doap: Mailing list moved to Discouse per #3253

 gnome-shell.doap | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-shell.doap b/gnome-shell.doap
index 0cc067f357..c79f36bf69 100644
--- a/gnome-shell.doap
+++ b/gnome-shell.doap
@@ -23,7 +23,7 @@ Not only will that give you the very latest version of this rapidly
 changing project, it will be much easier than get GNOME Shell and
 its dependencies to build from tarballs.</description>
   <homepage rdf:resource="https://wiki.gnome.org/Projects/GnomeShell"; />
-  <mailing-list rdf:resource="http://mail.gnome.org/mailman/listinfo/gnome-shell-list"; />
+  <support-forum rdf:resource="https://discourse.gnome.org/tags/shell"; />
   <download-page rdf:resource="http://download.gnome.org/sources/gnome-shell/"; />
   <bug-database rdf:resource="https://gitlab.gnome.org/GNOME/gnome-shell/issues/"; />