Update dependencies

vendor/tailscale.com/wgengine/magicsock/endpoint_default.go

@@ -0,0 +1,22 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build !js && !wasm && !plan9
+
+package magicsock
+
+import (
+	"errors"
+	"syscall"
+)
+
+// errHOSTUNREACH wraps unix.EHOSTUNREACH in an interface type to pass to
+// errors.Is while avoiding an allocation per call.
+var errHOSTUNREACH error = syscall.EHOSTUNREACH
+
+// isBadEndpointErr checks if err is one which is known to report that an
+// endpoint can no longer be sent to. It is not exhaustive, and for unknown
+// errors always reports false.
+func isBadEndpointErr(err error) bool {
+	return errors.Is(err, errHOSTUNREACH)
+}