fix(quic): bound the client handshake

QUIC_SETTINGS never set HandshakeIdleTimeoutMs, so it inherited the
120s idle timeout. The constructor blocks until msquic reports the
connection either up or shut down, which meant dialling a host that does
not answer parked the caller for minutes. Bound it to 10s.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

interfaces/Crafter.Network-ClientQUIC.cppm

@@ -180,6 +180,8 @@ namespace Crafter {
 
         // Client constructor: connects to host:port using QUIC. ALPN must
         // match the listener. Throws QUICException on connect failure.
+        // Blocks for at most the handshake idle timeout (10s), so a host that
+        // never answers fails in seconds rather than at the idle timeout.
         ClientQUIC(const char* host, std::uint16_t port, std::string alpn,
                    QUICClientCredentials creds = {});
         ClientQUIC(std::string host, std::uint16_t port, std::string alpn,