MAINTAINERS: Update gfs2 mailing list

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

MAINTAINERS

@@ -8724,7 +8724,7 @@ F:	scripts/get_maintainer.pl
 GFS2 FILE SYSTEM
 M:	Bob Peterson <rpeterso@redhat.com>
 M:	Andreas Gruenbacher <agruenba@redhat.com>
-L:	cluster-devel@redhat.com
+L:	gfs2@lists.linux.dev
 S:	Supported
 B:	https://bugzilla.kernel.org/enter_bug.cgi?product=File%20System&component=gfs2
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git