Mar 5, 2023; Las Vegas, Nevada, USA; NASCAR Cup Series driver William Byron (24) celebrates his victory of the Pennzoil 400 at Las Vegas Motor Speedway. Mandatory Credit: Gary A. Vasquez-USA TODAY Sports Gary A. Vasquez Gary A. Vasquez-USA TODAY Sports William Byron led 176 laps on Sunday — and that included the final one. The 24 car swept all three stages at Las Vegas Motor Speedway en route to his first win of the 2023 season. It also marked the first win for Hendrick Motorsports on the year — reminding the rest of the field how dangerous Hendrick cars are on intermediate tracks: HMI teammate Kyle Larson finished second,…