Mention New Feature in release notes

When `git clean` fails due to long
paths, [Git now advises the user to set
`core.longPaths`](git-for-windows/git#3817).

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

ReleaseNotes.md

@@ -47,6 +47,7 @@ This package contains software from a number of other projects including Bash, z
 * On newer Windows versions, Git [now assumes a Win32 Console with full color capabilities](https://github.com/git-for-windows/git/pull/3751). This helps e.g. when NeoVIM is configured as Git's editor.
 * A regression introduced in Git for Windows v2.36.0 where GPG in 32-bit versions simply would not work [was fixed](https://github.com/git-for-windows/MSYS2-packages/commit/002b641e4409ce76709419e835e1fb2a6de14e7c).
 * Comes with [OpenSSH v9.0p1](https://www.openssh.com/txt/release-9.0).
+* When `git clean` fails due to long paths, [Git now advises the user to set `core.longPaths`](https://github.com/git-for-windows/git/pull/3817).
 
 ## Changes since Git for Windows v2.35.3 (April 15th 2022)