See if we can remove this warning

[flcdrg]

Azure DevOps is now adding warnings to extensions that require higher privileges. Would be nice to not trigger this if it wasn't necessary.

[flcdrg]

The problem is we need to query environments, but the only scope available is vso.environment_manage which includes both read and manage permissions. We don't actually need the latter, but there's no alternative at the moment.

https://learn.microsoft.com/en-us/rest/api/azure/devops/distributedtask/environments/get?view=azure-devops-rest-7.1&WT.mc_id=DOP-MVP-5001655