Upgrade to 4.3.1 help

Hi, I upgraded manually CI to 4.1.3:
1. I copied system directory
2. I launched composer update

Spark doesn't work anymore:

[Error]

Call to a member function getStatusCode() on null

at ROOTPATH\spark:100

In breaking changes paragraph is written

If you do not update this file, Spark commands will not work at all after running
composer update

The upgrade procedure, for example, is as follows:[/php]

If you do not update this file, Spark commands will not work at all after running composer update.

The upgrade procedure, for example, is as follows:

> composer update
> cp vendor/codeigniter4/framework/spark .

But such file doesn't exists.