doc: releases: Fix merge issue

ref #87022

This line moved during merge. Move to right section.

Signed-off-by: Timothy Keys <[email protected]>

Author: weeTike

doc/releases/release-notes-4.2.rst

@@ -103,13 +103,12 @@ New APIs and options
     * :c:func:`bt_br_bond_exists`
     * :c:func:`bt_conn_lookup_addr_br`
     * :c:func:`bt_conn_get_dst_br`
+    * LE Connection Subrating is no longer experimental.
 
 * Display
 
   * :c:func:`display_clear`
 
-    * LE Connection Subrating is no longer experimental.
-
 * Networking:
 
   * IPv4