Correct Pipeline Include Path in Azure Pipeline Build YAML

[PlagueHO]

This is because a recent change to Azure DevOps Pipelines has removed the ability to use ** in Include/Exclude paths.

https://docs.microsoft.com/en-us/azure/devops/pipelines/repos/github?view=azure-devops&tabs=yaml#wildcards

dsccommunity/ActiveDirectoryDsc#599