sandboxes: update feedback links

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

Author: dvdksn

content/manuals/ai/sandboxes/_index.md

@@ -63,7 +63,10 @@ in that workspace.
 Docker Sandboxes is an experimental feature. Features and setup are subject to
 change.
 
-Report issues on [GitHub](https://github.com/docker/desktop-feedback).
+Report issues on GitHub:
+- [Docker Desktop for Mac](https://github.com/docker/for-mac)
+- [Docker Desktop for Windows](https://github.com/docker/for-win)
+- [Docker Desktop for Linux](https://github.com/docker/desktop-linux)
 
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