Desktop-Client on MacOS does not update automatically (greyed out)

I’m on MacOS Ventura 13.5.1 (22G90). The Desktop-Client was on 3.9.2something but this bothers for a long time:

The Desktop-Client shows new updates and updates perfectly. But why is the “Automatically download and install updates in the future” greyed out and can’t be activated?

Is this a rights issue and how can I solve this?

Thanks in advance.