onnxruntime

91a9d020 - [webgpu] add support of output_qk for MHA (#26553)

[webgpu] add support of output_qk for MHA (#26553) ### Description WebGPU EP does not support MHA's `qk` output yet. This PR makes it handling `qk` output correctly. --------- Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>