Update dependencies

vendor/tailscale.com/wgengine/mem_ios.go

@@ -0,0 +1,20 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+package wgengine
+
+import (
+	"github.com/tailscale/wireguard-go/device"
+)
+
+// iOS has a very restrictive memory limit on network extensions.
+// Reduce the maximum amount of memory that wireguard-go can allocate
+// to avoid getting killed.
+
+func init() {
+	device.QueueStagedSize = 64
+	device.QueueOutboundSize = 64
+	device.QueueInboundSize = 64
+	device.QueueHandshakeSize = 64
+	device.PreallocatedBuffersPerPool = 64
+}