macbook pro dialog "the installation of big sur has been restricted until we have tested it with our applications"

Whenever I click on update, my macbook starts to download files and then it displays this dialog:

What is causing this and what do I need to do in order to install updates?

The dialog came from my workplace, nm.

macbook pro dialog "the installation of big sur has been restricted until we have tested it with our applications"
 
 
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