Address feedback on Azure DevOps regression testing pipeline

- Simplify trigger paths to use 'src/*' instead of specific subdirectories
- Update pool configuration to use $(WindowsMachineQueueName) variable
- Replace cmd/batch scripts with PowerShell tasks for better error handling
- Add F# script-based Directory.Build.props setup logic to properly handle existing files
- Add .NET SDK version detection from global.json in test repositories
- Use LocalFSharpCompilerPath environment variable instead of modifying props files
- Enable MSBuild binary logging via environment variables
- Focus artifact publishing on binary logs only instead of entire repository output
- Improve error reporting and environment information display

Co-authored-by: T-Gro <[email protected]>

Author: Copilot