Added release notes entry

czgdp1807 · czgdp1807 · commit 5ede7eb15058 · 2021-11-10T14:35:40.000+05:30
diff --git a/doc/release/upcoming_changes/19173.change.rst b/doc/release/upcoming_changes/19173.change.rst
@@ -0,0 +1,6 @@
+Calling `__array__` raises `ValueError` in never copy mode
+----------------------------------------------------------
+
+Since `__array__` lacks a copy keyword argument, currently
+never copy (speficied by `np._CopyMode.NEVER`) will raise
+a `ValueError` if `__array__` is called.
