Issue #13338: Handle all enumerations in _Py_ANNOTATE_MEMORY_ORDER

This allows compiling extension modules with -Wswitch-enum on gcc.
Initial patch by Floris Bruynooghe.
diff --git a/Misc/NEWS b/Misc/NEWS
index 513984d..c3765dd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,10 @@
 Core and Builtins
 -----------------
 
+- Issue #13338: Handle all enumerations in _Py_ANNOTATE_MEMORY_ORDER
+  to allow compiling extension modules with -Wswitch-enum on gcc.
+  Initial patch by Floris Bruynooghe.
+
 - Issue #13333: The UTF-7 decoder now accepts lone surrogates (the encoder
   already accepts them).