Update tfo-go

inbound/default_tcp_go1.20.go

@@ -0,0 +1,18 @@
+//go:build go1.20
+
+package inbound
+
+import (
+	"context"
+	"net"
+
+	"github.com/sagernet/tfo-go"
+)
+
+const go120Available = true
+
+func listenTFO(listenConfig net.ListenConfig, ctx context.Context, network string, address string) (net.Listener, error) {
+	var tfoConfig tfo.ListenConfig
+	tfoConfig.ListenConfig = listenConfig
+	return tfoConfig.Listen(ctx, network, address)
+}