proxy: fix udp

Author: Mizzick

proxy/serverudp.go

@@ -96,7 +96,7 @@ func (p *Proxy) udpPacketLoop(ctx context.Context, conn *net.UDPConn, reqSema sy
 			packet := make([]byte, n)
 			copy(packet, b)
 
-			sErr := reqSema.Acquire(ctx)
+			sErr := reqSema.Acquire(context.WithoutCancel(ctx))
 			if sErr != nil {
 				p.logger.ErrorContext(
 					ctx,