[utils] sanitize_open: Allow any IO stream as stdout

Fixes: https://github.com/yt-dlp/yt-dlp/issues/3298#issuecomment-1181754989

yt_dlp/utils.py

@@ -598,6 +598,8 @@ def sanitize_open(filename, open_mode):
     if filename == '-':
         if sys.platform == 'win32':
             import msvcrt
+            # stdout may be any IO stream. Eg, when using contextlib.redirect_stdout
+            with contextlib.suppress(io.UnsupportedOperation):
                 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
         return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)