Add a release note (feature)

Comes with [MinTTY
v3.6.5](https://github.com/mintty/mintty/releases/tag/3.6.5).

Signed-off-by: gitforwindowshelper[bot] <gitforwindowshelper-bot@users.noreply.github.com>

ReleaseNotes.md

@@ -40,6 +40,12 @@ Git for Windows also contains Embedded CAcert Root Certificates. For more inform
 
 This package contains software from a number of other projects including Bash, zlib, curl, tcl/tk, perl, MSYS2 and a number of libraries and utilities from the GNU project, licensed under the GNU General Public License. Likewise, it contains Perl which is dual licensed under the GNU General Public License and the Artistic License.
 
+## Changes since Git for Windows v2.42.0(2) (August 30th 2023)
+
+### New Features
+
+* Comes with [MinTTY v3.6.5](https://github.com/mintty/mintty/releases/tag/3.6.5).
+
 ## Changes since Git for Windows v2.42.0 (August 21st 2023)
 
 As announced previously, Git for Windows will drop support for Windows 7 and for Windows 8 in one of the next versions, following [Cygwin's and MSYS2's lead](https://www.msys2.org/docs/windows_support/) (Git for Windows relies on MSYS2 for components such as Bash and Perl).