net-p2p/libtorrent-rasterbar2: update 2.0.13 → 2.1.1

• net/arrowdl is patched and patches upstreamed: https://github.com/setvisible/ArrowDL/pull/250
• net-p2p/qbittorrent is patched and patches upstreamed: https://github.com/qbittorrent/qBittorrent/issues/24942