[planner] README: Link updates

[Mart Raudsepp <mraudsepp src gnome org>]

commit ce8a8f33c7cb023b19ec96ea04cc8b944b6bc5fd
Author: Mart Raudsepp <leio gentoo org>
Date:   Sun Jun 20 23:48:04 2021 +0300

    README: Link updates

 README | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/README b/README
index 217755d0..0c1d08e4 100644
--- a/README
+++ b/README
@@ -42,13 +42,13 @@ mailing lists page (http://mail.gnome.org/mailman/listinfo).
 Note that you must be subscribed to the list to be able to post to it.
 
 If you find a bug or missing feature, you can let us know by filing a report in
-the GNOME Bugzilla (http://bugzilla.gnome.org/enter_bug.cgi?product=planner).
+our issue tracker (https://gitlab.gnome.org/World/planner/-/issues).
 
 See http://wiki.gnome.org/Apps/Planner for more information.
 
-You can download the latest tarball from the GNOME FTP server:
+You can download the latest tarball from the GNOME mirroring service:
 
-    http://ftp.gnome.org/pub/GNOME/sources/planner/
+    https://download.gnome.org/sources/planner/
 
 
 Installation