9c1be9ec10
Adds `--` separator to `rclone copy`, `mkdir`, and `link` commands in `upload_with_rclone.py`. This explicitly tells rclone to stop processing options and treat subsequent arguments strictly as positional arguments, preventing malicious user-controlled paths (starting with `-`) from being executed as arbitrary command flags. Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>