Align CI build workflow SDK with project target framework

[Copilot]

The build GitHub Actions job was failing due to an SDK/framework mismatch in CI (NETSDK1045): workflow setup used .NET 8 while the project requires .NET 10. This change updates the workflow to provision the correct SDK for the repository’s target framework.

• CI workflow update

  • Updated .github/workflows/dotnet.yml to use .NET 10 in actions/setup-dotnet.

• Why this resolves the failure

  • Ensures dotnet restore/build/test in CI run under an SDK that supports the project target framework (net10.0), eliminating the inference error seen in the failing job.

- name: Setup .NET
  uses: actions/setup-dotnet@v4
  with:
    dotnet-version: 10.0.x

[Copilot]

Pull request overview

Updates the CI workflow to install a .NET SDK version compatible with the repository’s target framework (net10.0), addressing the NETSDK1045 SDK/framework mismatch seen in CI builds.

Changes:

• Updated GitHub Actions actions/setup-dotnet@v4 to provision the .NET 10 SDK (10.0.x) for the build job.

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