Fix test results path pattern in release workflow

[Copilot]

Description

The release workflow's test results upload was using an incorrect path pattern that wouldn't match .NET test output structure. The pattern '**/TestResults*.trx' only matches files named like "TestResults*.trx", not files within a TestResults directory hierarchy.

Type of change

• Bug fix
• New feature
• Breaking change
• Documentation update
• Refactor

Changes

Test command: Added --logger "trx" --results-directory "./TestResults" to generate TRX files in the expected location

Upload path: Changed from '**/TestResults*.trx' to 'TestResults/**/*.trx' to match the actual .NET output structure: TestResults/[guid]/[test-results-file].trx

Before:

dotnet test "$proj" --no-build --configuration Release
# ...
path: '**/TestResults*.trx'

After:

dotnet test "$proj" --no-build --configuration Release --logger "trx" --results-directory "./TestResults"
# ...
path: 'TestResults/**/*.trx'

How Has This Been Tested?

• YAML syntax validation
• Code review passed

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Screenshots (if applicable)

N/A

Additional context

This fix ensures test results are properly collected and uploaded as artifacts across all OS platforms (ubuntu-latest, windows-latest, macos-latest) in the release workflow.

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