Move the What's New entry

Document frozendict after lazy import.

Author: vstinner

Doc/whatsnew/3.15.rst

@@ -65,10 +65,10 @@ Summary -- Release highlights
 
 .. PEP-sized items next.
 
-* :pep:`814`: :ref:`Add frozendict built-in type
-  <whatsnew315-pep814>`
 * :pep:`810`: :ref:`Explicit lazy imports for faster startup times
   <whatsnew315-pep810>`
+* :pep:`814`: :ref:`Add frozendict built-in type
+  <whatsnew315-pep814>`
 * :pep:`799`: :ref:`A dedicated profiling package for organizing Python
   profiling tools <whatsnew315-profiling-package>`
 * :pep:`799`: :ref:`Tachyon: High frequency statistical sampling profiler
@@ -86,20 +86,6 @@ Summary -- Release highlights
 New features
 ============
 
-.. _whatsnew315-pep814:
-
-:pep:`814`: Add frozendict built-in type
-----------------------------------------
-
-A new public immutable type :class:`frozendict` is added to the :mod:`builtins`
-module. It is not a ``dict`` subclass but inherits directly from ``object``.
-
-A ``frozendict`` can be hashed with ``hash(frozendict)`` if all keys and values
-can be hashed.
-
-.. seealso:: :pep:`814` for the full specification and rationale.
-
-
 .. _whatsnew315-pep810:
 
 :pep:`810`: Explicit lazy imports
@@ -196,6 +182,21 @@ raise :exc:`SyntaxError`).
 
 (Contributed by Pablo Galindo Salgado and Dino Viehland in :gh:`142349`.)
 
+
+.. _whatsnew315-pep814:
+
+:pep:`814`: Add frozendict built-in type
+----------------------------------------
+
+A new public immutable type :class:`frozendict` is added to the :mod:`builtins`
+module. It is not a ``dict`` subclass but inherits directly from ``object``.
+
+A ``frozendict`` can be hashed with ``hash(frozendict)`` if all keys and values
+can be hashed.
+
+.. seealso:: :pep:`814` for the full specification and rationale.
+
+
 .. _whatsnew315-profiling-package:
 
 :pep:`799`: A dedicated profiling package