Update dependencies

vendor/tailscale.com/net/dns/manager_freebsd.go

@@ -0,0 +1,43 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+package dns
+
+import (
+	"fmt"
+	"os"
+
+	"tailscale.com/control/controlknobs"
+	"tailscale.com/health"
+	"tailscale.com/types/logger"
+)
+
+// NewOSConfigurator creates a new OS configurator.
+//
+// The health tracker may be nil; the knobs may be nil and are ignored on this platform.
+func NewOSConfigurator(logf logger.Logf, health *health.Tracker, _ *controlknobs.Knobs, _ string) (OSConfigurator, error) {
+	bs, err := os.ReadFile("/etc/resolv.conf")
+	if os.IsNotExist(err) {
+		return newDirectManager(logf, health), nil
+	}
+	if err != nil {
+		return nil, fmt.Errorf("reading /etc/resolv.conf: %w", err)
+	}
+
+	switch resolvOwner(bs) {
+	case "resolvconf":
+		switch resolvconfStyle() {
+		case "":
+			return newDirectManager(logf, health), nil
+		case "debian":
+			return newDebianResolvconfManager(logf)
+		case "openresolv":
+			return newOpenresolvManager(logf)
+		default:
+			logf("[unexpected] got unknown flavor of resolvconf %q, falling back to direct manager", resolvconfStyle())
+			return newDirectManager(logf, health), nil
+		}
+	default:
+		return newDirectManager(logf, health), nil
+	}
+}