Subject: 'IceCat Support' link non-existent in Settings menu

From: Adam Faiz <[email-masked]>
Date: Sat, 24 Dec 2022 21:50:21 +0800

The 'IceCat Support' link in about:preferences links to 
https://libreplanet.org/wiki/Group:IceCat/preferences which doesn't exist.
I think the link should point to 
https://www.gnu.org/software/gnuzilla/#lists instead.