Update Kokkos library in LAMMPS to v4.0

lib/kokkos/cmake/compile_tests/cplusplus17.cpp

@@ -0,0 +1,25 @@
+//@HEADER
+// ************************************************************************
+//
+//                        Kokkos v. 4.0
+//       Copyright (2022) National Technology & Engineering
+//               Solutions of Sandia, LLC (NTESS).
+//
+// Under the terms of Contract DE-NA0003525 with NTESS,
+// the U.S. Government retains certain rights in this software.
+//
+// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
+// See https://kokkos.org/LICENSE for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//@HEADER
+
+#include <type_traits>
+
+int main() {
+  // _v versions of type traits were added in C++17
+  if constexpr (std::is_same_v<double, int>)
+    return 0;
+  else
+    return 1;
+}