update Outdated comment (#11243)

# Objective

- since #9236 queue_mesh_bind_group has been renamed to
prepare_mesh_bind_group,but the comment referring to it has not been
updated. .

crates/bevy_pbr/src/render/mesh.rs

@@ -1106,7 +1106,7 @@ impl<P: PhaseItem, const I: usize> RenderCommand<P> for SetMeshBindGroup<I> {
         else {
             error!(
                 "The MeshBindGroups resource wasn't set in the render phase. \
-                It should be set by the queue_mesh_bind_group system.\n\
+                It should be set by the prepare_mesh_bind_group system.\n\
                 This is a bevy bug! Please open an issue."
             );
             return RenderCommandResult::Failure;