Add BleuCloud, DelosCloud, and GovSGCloud sovereign cloud environments, remove deprecated Germany cloud#3523

ramsessanchez merged 8 commits intomainmicrosoftgraph/msgraph-sdk-powershell:mainfrom

copilot/update-environments-for-national-cloudsmicrosoftgraph/msgraph-sdk-powershell:copilot/update-environments-for-national-cloudsCopy head branch name to clipboard