Update Lib/idlelib/News3.txt

Co-authored-by: Zachary Ware <zachary.ware@gmail.com>

Author: johnzhou721

Lib/idlelib/News3.txt

@@ -4,7 +4,7 @@ Released on 2025-10-07
 =========================
 
 
-gh-134873: Update code in editor.Editor.load_extension.
+gh-134873: Minor code modernization in extension loader.
 Patch by johnzhou721, Zachary Ware, and Terry J. Reedy.
 
 gh-112936: IDLE - Include Shell menu in single-process mode,