Set image used to build the docs to VS 2022 in relattion to #1405
Set image used to build the docs to VS 2022 in relattion to #1405

Why: The same image is used to the code build. This could
prevent possible problem although at this point there is no
concrete indication this will matter.

charlenni/Mapsui,pauldendulk/Mapsui,charlenni/Mapsui