Verify Windows actions already updated to windows-latest

[Copilot]

This PR addresses issue #133 which requested updating Windows actions to use windows-latest instead of the deprecated Windows Server 2019.

Analysis Results:
Upon investigation, the Windows GitHub Actions workflow was already correctly configured:

• File: .github/workflows/windows.yml
• Current configuration: runs-on: windows-latest (line 16)
• Status: ✅ Already compliant with deprecation requirements

Timeline:

• Issue Update windows actions #133 was created on June 10, 2025
• Windows workflow was added on July 8, 2025 with windows-latest from the start
• No deprecated Windows versions (windows-2019 or windows-2022) found anywhere in the repository

Additional Verification:

• ✅ All other workflows use appropriate latest versions (macos-latest, ubuntu-latest)
• ✅ YAML syntax validation passed
• ✅ No documentation or script updates needed
• ✅ README.md correctly references Windows workflow badge

The repository already meets the requirements and is prepared for the Windows Server 2019 deprecation.

Fixes #133.

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