Add relnote

Author: mdboom

cuda_core/docs/source/release/0.X.Y-notes.rst

@@ -48,3 +48,4 @@ Fixes and enhancements
 - Make :class:`Buffer` creation more performant.
 - Enabled :class:`MemoryResource` subclasses to accept :class:`Device` objects, in addition to previously supported device ordinals.
 - Fixed a bug in :class:`Stream` and other classes where object cleanup would error during interpreter shutdown.
+- :class:`StridedMemoryView` of an underlying array using the DLPack protocol will no longer leak memory.