Change the default of <compiler autolimits> from "false" to "true".

PiperOrigin-RevId: 573184793
Change-Id: I24075a8d953d0a3c3ddf65c67e1e18075cd029b6

src/user/user_model.cc

@@ -82,8 +82,7 @@ mjCModel::mjCModel() {
   modelfiledir.clear();
 
   //------------------------ compiler settings
-  // TODO(b/245077553): Toggle to true by default.
-  autolimits = false;
+  autolimits = true;
   boundmass = 0;
   boundinertia = 0;
   settotalmass = -1;