Fix cuco::pair(std::pair(...)) compile error with clang 17

  In file included from cuco/static_map.cuh:24:
  cuco/pair.cuh:91:12: error: no matching
        function for call to 'get'
     91 |            cuda::std::get<1>(thrust::raw_reference_cast(p))}
        |            ^~~~~~~~~~~~~~~~~

The constructor for cuco::pair wasn't taking a std::pair correctly.  Fix
that.

Signed-off-by: Austin Schuh <[email protected]>

include/cuco/pair.cuh

@@ -87,8 +87,8 @@ struct alignas(detail::pair_alignment<First, Second>()) pair {
    */
   template <typename T, std::enable_if_t<detail::is_std_pair_like<T>::value>* = nullptr>
   __host__ __device__ constexpr pair(T const& p)
-    : pair{cuda::std::get<0>(thrust::raw_reference_cast(p)),
-           cuda::std::get<1>(thrust::raw_reference_cast(p))}
+    : pair{std::get<0>(thrust::raw_reference_cast(p)),
+           std::get<1>(thrust::raw_reference_cast(p))}
   {
   }