onnxruntime

b4fb32d8 - Pick changes from onnx/onnx#6010 to support EinSum shape inference (#22376)

Pick changes from onnx/onnx#6010 to support EinSum shape inference (#22376) ### Description <!-- Describe your changes. --> Pick up onnx/onnx#6010 to support EinSum shape inference ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> This change allows EinSum operator's output shape to be inferenced so that it can run on accelerators.