update changelog

Signed-off-by: Victor Vieux <vieux@docker.com>
(cherry picked from commit 0e5346df3276bab0f282e62f52f5c5b7732f97a3)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

CHANGELOG.md

@@ -241,6 +241,10 @@ To resolve this:
 After making those changes, run `sudo systemctl daemon-reload`, and `sudo
 systemctl restart docker` to reload changes and (re)start the docker daemon.
 
+### Runtime
+
+- Fix race on sending stdin close event [#29424](https://github.com/docker/docker/pull/29424)
+
 ### Networking
 
 - Fix panic in docker network ls when a network was created with `--ipv6` and no ipv6 `--subnet` in older docker versions [#29416](https://github.com/docker/docker/pull/29416)