[3.10] gh-90654: IDLE - Insert blank line in NEWS.txt (#95479)

Needed for backports. Cherrypicked from 9ec6abf6

[3.10] gh-90654: IDLE - Insert blank line in NEWS.txt (#95479)
bfed0ae8 · Terry Jan Reedy · GitHub · 0579a187 · bfed0ae8
Unverified Commit bfed0ae8 authored Jul 30, 2022 by Terry Jan Reedy Committed by GitHub Jul 30, 2022
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,7 @@ after 3.10.0 until 3.10.10?
 Released 2023-04-03?
 =========================

+
 gh-95411: Enable using IDLE's module browser with .pyw files.

 gh-89610: Add .pyi as a recognized extension for IDLE on macOS.  This allows