[ORT GPU][WebNN] Edge Canary browser crashed when running two WebNN QDQ subgraph tests

[BruceDai]

Describe the issue

Edge Canary browser crashed when running quantized leaky relu and quantized softmax two WebNN QDQ subgraph tests by ORT default GPU EP with the error

GpuProcessHost: The GPU process crashed! Exit code: STATUS_ACCESS_VIOLATION.

/cc @fdwr PTAL, thanks!

To reproduce

1. Install Windows App SDK Stable 1.8.2 (1.8.251003001)
2. Install lates Edge Canary browser
3. Launch Edge Canary browser, navigate to about://flags enabled "Enables WebNN API" and "ONNX Runtime backend for WebNN" flags, then relaunch browser
4. Navigate to below test url, crash happened

Test	Test URL
quantized leaky relu	https://wpt.live/webnn/conformance_tests/qdq_subgraph.https.any.html?device=gpu&tc=quantized%20leaky%20relu
quantized softmax	https://wpt.live/webnn/conformance_tests/qdq_subgraph.https.any.html?device=gpu&tc=quantized%20softmax

Urgency

No response

ONNX Runtime Installation

Released Package Windows App SDK Stable 1.8.2 (1.8.251003001)

ONNX Runtime Version or Commit ID

1.23.25.928

Execution Provider

ORT default GPU EP

[mingmingtasd]

I can reproduce the crash issue of the two cases , and share you some debugging info: