Update getting-linuxcnc.adoc

update Debian download link

Author: dpslwk

docs/src/getting-started/getting-linuxcnc.adoc

@@ -287,7 +287,7 @@ there are very few surviving systems that can not run a 64-bit OS.
 
 . Install Debian Bookworm (Debian 12), amd64 version.
   You can download the installer here:
-  https://www.debian.org/releases/buster/
+  https://www.debian.org/distrib/
 
 . After burning the iso and booting up if you don't want Gnome desktop select
   'Advanced Options' > 'Alternative desktop environments' and pick the one you