onnxruntime

add additional test data set for nuget pipeline (#2448)

* add SAS token to download internal test data for nuget pipeline

* update azure endpoint

* fix keyvault download step

* fix variable declaration for secret group

* fix indentation

* fix yaml syntax for variables

* fix setting secrets for script

* fix env synctax

* Fix macos pipeline

* attempt to add secrets to windows download data

* fix mac and win data download

* fix windows data download

* update test data set url and location