Release Notes: link to the git svn ticket

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

Author: dscho

ReleaseNotes.md

@@ -43,7 +43,7 @@ Git for Windows is distributed with other components yet, such as Bash, zlib, cu
 
 Git for Windows v2.48.1 is the last version to ship with the i686 ("32-bit") variant of the installer, portable Git and archive. Only 32-bit MinGit will be built for future versions, [until April 2029](https://gitforwindows.org/32-bit).
 
-Due to persistent maintenance challenges and the community's limited engagement and usage, `git svn` support in Git for Windows will be phased out over the next few releases.
+Due to persistent maintenance challenges and the community's limited engagement and usage, `git svn` support in Git for Windows will be [phased out](https://github.com/git-for-windows/git/issues/5405) over the next few months.
 
 ### New Features