[tracker/wip/jfelder/readme-discourse] README.md: Replace mailing-list link with discourse

[Jean Felder <jfelder src gnome org>]

commit 8958ec15841d5d7f1115965c8ba184865f23913e
Author: Jean Felder <jfelder src gnome org>
Date:   Sun Mar 15 17:54:09 2020 +0100

    README.md: Replace mailing-list link with discourse
    
    See https://gitlab.gnome.org/infrastructure/infrastructure/issues/212

 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index 83e0b9199..64d3ddfc7 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Source code and issue tracking:
 
 All discussion related to Tracker happens on:
 
-  * <https://mail.gnome.org/mailman/listinfo/tracker-list>
+  * <https://discourse.gnome.org/tag/tracker>
 
 IRC channel #tracker on: