Update dependencies

vendor/tailscale.com/util/linuxfw/helpers.go

@@ -0,0 +1,39 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build linux
+
+package linuxfw
+
+import (
+	"encoding/hex"
+	"fmt"
+	"strings"
+	"unicode"
+
+	"tailscale.com/util/slicesx"
+)
+
+func formatMaybePrintable(b []byte) string {
+	// Remove a single trailing null, if any.
+	if slicesx.LastEqual(b, 0) {
+		b = b[:len(b)-1]
+	}
+
+	nonprintable := strings.IndexFunc(string(b), func(r rune) bool {
+		return r > unicode.MaxASCII || !unicode.IsPrint(r)
+	})
+	if nonprintable >= 0 {
+		return "<hex>" + hex.EncodeToString(b)
+	}
+	return string(b)
+}
+
+func formatPortRange(r [2]uint16) string {
+	if r == [2]uint16{0, 65535} {
+		return fmt.Sprintf(`any`)
+	} else if r[0] == r[1] {
+		return fmt.Sprintf(`%d`, r[0])
+	}
+	return fmt.Sprintf(`%d-%d`, r[0], r[1])
+}