Unzipping flutter/flutter on Windows fails due to MD doc file name

[parlough]

This is causing the subisito/flutter-action workflow to fail on Windows: https://github.com/flutter/games/actions/runs/9521451665/job/26248884262

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.