Update dependencies

vendor/tailscale.com/ipn/ipnlocal/ssh_stub.go

@@ -0,0 +1,20 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build ios || (!linux && !darwin && !freebsd && !openbsd)
+
+package ipnlocal
+
+import (
+	"errors"
+
+	"tailscale.com/tailcfg"
+)
+
+func (b *LocalBackend) getSSHHostKeyPublicStrings() ([]string, error) {
+	return nil, nil
+}
+
+func (b *LocalBackend) getSSHUsernames(*tailcfg.C2NSSHUsernamesRequest) (*tailcfg.C2NSSHUsernamesResponse, error) {
+	return nil, errors.New("not implemented")
+}