[js/web] allow gpu IO binding tests to fail temporarily (#17892)

### Description
allow gpu IO binding tests to fail temporarily.

when the root cause is still in investigation, use `continueOnError:
true` to allow the test to fail without blocking PRs.

tools/ci_build/github/azure-pipelines/templates/win-web-ci.yml

@@ -171,6 +171,10 @@ jobs:
     workingDirectory: '$(Build.SourcesDirectory)\js\web'
     displayName: 'Run ort-web tests (Suite1, webgpu, IO-binding=gpu-tensor)'
     condition: eq('${{ parameters.RunWebGpuTests }}', 'true')
+    # temporarily allow this test to fail, so that people are not blocked.
+    # investigation is ongoing for the root cause of the random failure (Edge crash).
+    # TODO: remove this line once the root cause is found and fixed.
+    continueOnError: true
   - script: |
      npm test -- suite1 -e=edge -b=webgpu --io-binding=gpu-location $(webgpuCommandlineExtraFlags)
     workingDirectory: '$(Build.SourcesDirectory)\js\web'