[gnome-user-docs] Replace Bugzilla by Gitlab link

[Andre Klapper <aklapper src gnome org>]

commit 70eb1d5ec7a45386cdcfe1e874f2b84ff4d1811f
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Aug 13 23:00:57 2018 +0200

    Replace Bugzilla by Gitlab link

 README | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/README b/README
index 74da78f6..ddc9c361 100644
--- a/README
+++ b/README
@@ -9,12 +9,12 @@ GNOME and have general GNOME applicability.
 The GNOME Documentation Project (GDP) is responsible for this documentation.
 
 GDP homepage: https://wiki.gnome.org/DocumentationProject
-GDP mailing list: http://mail.gnome.org/mailman/listinfo/gnome-doc-list
+GDP mailing list: https://mail.gnome.org/mailman/listinfo/gnome-doc-list
 
 
 Reporting Problems
 ------------------
 
-If you find problems in the documentation, please report bugs in Bugzilla.
+If you find problems in the documentation, please report bugs:
 
-Bugzilla: https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-user-docs
+https://gitlab.gnome.org/GNOME/gnome-user-docs/issues/