add release note entry

Author: leofang

cuda_bindings/docs/source/release/12.X.Y-notes.rst

@@ -11,3 +11,4 @@ Highlights
   `libNVVM C API <https://docs.nvidia.com/cuda/libnvvm-api/>`_.
 * Source build error checking added for missing required headers
 * Statically link CUDA Runtime instead of reimplementing it
+* Fix performance hit warnings raised by Cython 3