add support for configurable build dir when building nuget packages (#5352)
add support for configurable build dir when building nuget packages (#5352)

* add support for configurable build dir when building nuget packages

* rename vars
microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime