Update Kokkos library in LAMMPS to v4.3.1

lib/kokkos/algorithms/src/sorting/impl/Kokkos_SortImpl.hpp

@@ -399,9 +399,14 @@ sort_device_view_with_comparator(
 
   using ViewType = Kokkos::View<DataType, Properties...>;
   using MemSpace = typename ViewType::memory_space;
+// Note with HIP unified memory this code path is still the right thing to do
+// if we end up here when RocThrust is not enabled.
+// The create_mirror_view_and_copy will do the right thing (no copy).
+#ifndef KOKKOS_ENABLE_IMPL_HIP_UNIFIED_MEMORY
   static_assert(!SpaceAccessibility<HostSpace, MemSpace>::accessible,
                 "Impl::sort_device_view_with_comparator: should not be called "
                 "on a view that is already accessible on the host");
+#endif
 
   copy_to_host_run_stdsort_copy_back(exec, view, comparator);
 }