Update dependencies

vendor/tailscale.com/version/cmdname_ios.go

@@ -0,0 +1,18 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build ios
+
+package version
+
+import (
+	"os"
+)
+
+func CmdName() string {
+	e, err := os.Executable()
+	if err != nil {
+		return "cmd"
+	}
+	return e
+}