feat: enable backtraces by default on all domains

riot/runtime/scheduler/scheduler.ml

@@ -533,7 +533,9 @@ module Pool = struct
   let setup () =
     (* NOTE(@leostera): we want the Net subsystem to be able to write to closed
        sockets and handle that as a regular value rather than as a signal. *)
-    Sys.set_signal Sys.sigpipe Sys.Signal_ignore
+    Sys.set_signal Sys.sigpipe Sys.Signal_ignore;
+    Printexc.record_backtrace true
+
 
   let make ?(rnd = Random.State.make_self_init ()) ~domains ~main () =
     setup ();