update app.py

app.py

@@ -54,10 +54,10 @@ def dl_video(url: str, out: Path) -> bool:
     out.parent.mkdir(exist_ok=True)
     cmd = [
         "yt-dlp",
+        "--match-filter", f"duration<{MAX_VIDEO_LENGTH}",
         "-f", "mp4",
         "--merge-output-format", "mp4",
         "-o", str(out),
-        "--max-duration", str(MAX_VIDEO_LENGTH),
         "--no-playlist",
         "--no-check-certificate",
         url,