Enable TUnit test report artifact upload in GitHub Actions

[Copilot]

TUnit can automatically upload HTML test reports as workflow artifacts and link them in the step summary when running in GitHub Actions — but only if ACTIONS_RUNTIME_TOKEN is available to the shell process, which it isn't by default (it's only exposed inside JS/Docker action handlers).

Changes

• Added an "Expose GitHub Actions Runtime" step using actions/github-script@v7 immediately before the dotnet test step in both workflow files:
  • .github/workflows/PR-Build-And-Test.yml
  • .github/workflows/Build-Test-And-Deploy.yml

- name: Expose GitHub Actions Runtime
  uses: actions/github-script@v7
  with:
    script: |
      core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env['ACTIONS_RUNTIME_TOKEN']);
      core.exportVariable('ACTIONS_RESULTS_URL', process.env['ACTIONS_RESULTS_URL']);

- name: Run .NET Tests
  run: dotnet test ...

With this in place, TUnit will upload the test report as a workflow artifact and add a direct link to it in the step summary on each run.

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