Update dependencies

vendor/tailscale.com/wgengine/router/router_default.go

@@ -0,0 +1,24 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build !windows && !linux && !darwin && !openbsd && !freebsd
+
+package router
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/tailscale/wireguard-go/tun"
+	"tailscale.com/health"
+	"tailscale.com/net/netmon"
+	"tailscale.com/types/logger"
+)
+
+func newUserspaceRouter(logf logger.Logf, tunDev tun.Device, netMon *netmon.Monitor, health *health.Tracker) (Router, error) {
+	return nil, fmt.Errorf("unsupported OS %q", runtime.GOOS)
+}
+
+func cleanUp(logf logger.Logf, interfaceName string) {
+	// Nothing to do here.
+}