chore: enable test results and coverage reporting

[mridang]

Description

This pull-request configures the test runner to output results in a standardized XML format and updates the CI pipeline to generate and publish test execution and code coverage reports.

Related Issue

None.

Motivation and Context

This change is required to enable automated reporting and visibility into test success rates and code coverage metrics across the repository.

How Has This Been Tested?

I have tested this by running the updated continuous integration workflow and verifying that the result files were generated and the reports were successfully processed without errors.

Documentation:

N/A

Checklist:

• I have updated the documentation accordingly.
• I have assigned the correct milestone or created one if non-existent.
• I have correctly labeled this pull request.
• I have linked the corresponding issue in this description.
• I have requested a review from at least 2 reviewers
• I have checked the base branch of this pull request
• I have checked my code for any possible security vulnerabilities

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