Update Azure-Blob-FiletypeAnalysis.ps1
Update Azure-Blob-FiletypeAnalysis.ps1

Configured script to point to a single tenant to eliminate noise and speed up the script.
Azure-Samples/active-directory-dotnet-rms,Azure-Samples/active-directory-dotnet-rms,AzureADSamples/rms-samples-for-net,Azure-Samples/active-directory-dotnet-rms,Azure-Samples/active-directory-dotnet-rms,AzureADSamples/rms-samples-for-net,Azure-Samples/active-directory-dotnet-rms,AzureADSamples/rms-samples-for-net