f40 workarounds: drop old anaconda build, add new lorax

We don't need this anaconda scratch build any more (the official
build has the fix now), but we *do* need the new lorax update I
just built to fix installer image builds with branched F40. See
https://github.com/weldr/lorax/pull/1379

Signed-off-by: Adam Williamson <awilliam@redhat.com>

lib/utils.pm

@@ -476,7 +476,7 @@ sub get_workarounds {
     my %workarounds = (
         "38" => [],
         "39" => [],
-        "40" => ["113074492"],
+        "40" => ["FEDORA-2024-912d46e3da"],
     );
     my $advortasks = $workarounds{$version};
     return @$advortasks;