Mention Bug Fix in release notes

The cleanup mode called "scissors" in `git
commit` [now handles CR/LF line endings
correctly](git-for-windows/git#2714).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

ReleaseNotes.md

@@ -53,6 +53,7 @@ This package contains software from a number of other projects including Bash, z
 * When pseudo console support is enabled, [the VIM editor sometimes had troubles accepting certain keystrokes](https://github.com/git-for-windows/git/issues/2689), which was fixed.
 * Due to a bug, it was not possible to disable Pseudo Console support by reinstalling with the checkbox turned off, [which has been fixed](https://github.com/git-for-windows/build-extra/pull/299).
 * A bug with enabled Pseudo Console support, where `git add -i` [would not quit the file selection mode upon an empty input](https://github.com/git-for-windows/git/issues/2729), has been fixed.
+* The cleanup mode called "scissors" in `git commit` [now handles CR/LF line endings correctly](https://github.com/git-for-windows/git/pull/2714).
 
 ## Changes since Git for Windows v2.26.2 (April 20th 2020)