[binutils-gdb] Update gdb/NEWS after GDB 17 branch creation.

[Joel Brobecker]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=13745a6ce8e0e984181341f9dd444132034a4f40

commit 13745a6ce8e0e984181341f9dd444132034a4f40
Author: Joel Brobecker <brobecker@adacore.com>
Date:   Sat Sep 6 15:13:51 2025 -0700

    Update gdb/NEWS after GDB 17 branch creation.
    
    This commit a new section for the next release branch, and renames
    the section of the current branch, now that it has been cut.

Diff:
---
 gdb/NEWS | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gdb/NEWS b/gdb/NEWS
index 97828478146..48f7bfabea7 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -1,7 +1,9 @@
 		What has changed in GDB?
 	     (Organized release by release)
 
-*** Changes since GDB 16
+*** Changes since GDB 17
+
+*** Changes in GDB 17
 
 * Debugging Linux programs that use x86-64 or x86-64 with 32-bit pointer
   size (X32) Shadow Stacks are now supported.