update template SharePoint-AllVersions

Changelog

Fix the error when browsing the team site collection in SharePoint 2019 by updating SharePointDSC to 4.8.
Change default size of virtual machines to use B-series burstable, ideal for such template and much cheaper than other comparable series.
Change default storage type of SharePoint virtual machines to 'StandardSSD_LRS'.
Change type of parameters to boolean when possible.
Introduce new parameter 'RDPTrafficAllowed', to finely configure if/how RDP traffic should be allowed.
Reorder parameters to have a more logical display when deploying the template from the portal.
Update the list of disk types available for virtual machines.
Improve management of automatic Windows updates
Update apiVersion of all resources to latest version.
Update DSC module SharePointDSC from 4.7 to 4.8, which no longer needs custom changes.
Update DSC module SqlServerDsc from 15.1.1 to 15.2