[3.14] gh-140980: document SET_FUNCTION_ATTRIBUTE flag for annotate function (GH-141306) (#141316)

gh-140980: document `SET_FUNCTION_ATTRIBUTE` flag for `annotate` function  (GH-141306)
(cherry picked from commit 6f20ea1)

Co-authored-by: Lakshya Upadhyaya <[email protected]>

Author: miss-islington

Doc/library/dis.rst

@@ -1673,9 +1673,13 @@ iterations of the loop.
    * ``0x02`` a dictionary of keyword-only parameters' default values
    * ``0x04`` a tuple of strings containing parameters' annotations
    * ``0x08`` a tuple containing cells for free variables, making a closure
+   * ``0x10`` the :term:`annotate function` for the function object
 
    .. versionadded:: 3.13
 
+   .. versionchanged:: 3.14
+      Added ``0x10`` to indicate the annotate function for the function object.
+
 
 .. opcode:: BUILD_SLICE (argc)