How to remove the (1) Notification in System Settings?

https://preview.redd.it/26xhf31brybe1.png?width=1280&format=png&auto=webp&s=388c072c1a7007face15aab20503eb8a94ee7438

Or how to remove complete the update.

MacBook Pro (Mid 2009), 4GB RAM, 256GB SSD, MacOS Ventura 13.7.2