Add a whatsnew entry.

Author: ZeroIntensity

Doc/whatsnew/3.15.rst

@@ -226,6 +226,13 @@ os.path
   (Contributed by Petr Viktorin for :cve:`2025-4517`.)
 
 
+types
+------
+
+* Added :data:`types.FrameLocalsProxyType` for representing the type of
+  the :attr:`frame.f_locals` attribute, as determined in :pep:`667`.
+
+
 shelve
 ------