[binutils-gdb] Update gdb/NEWS after GDB 12 branch creation.

[Joel Brobecker]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ba09d2a8cd6aecb10c5f3b99284e7e82df51cdbc

commit ba09d2a8cd6aecb10c5f3b99284e7e82df51cdbc
Author: Joel Brobecker <brobecker@adacore.com>
Date:   Sun Mar 20 09:17:42 2022 +0400

    Update gdb/NEWS after GDB 12 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 c609da7e6cf..4308e170e41 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -1,7 +1,9 @@
 		What has changed in GDB?
 	     (Organized release by release)
 
-*** Changes since GDB 11
+*** Changes since GDB 12
+
+*** Changes in GDB 12
 
 * DBX mode is deprecated, and will be removed in GDB 13