High school sophomore Becky Pepper-Jackson just won the West Virginia Class AAA girls’ shot put championship. But she might have played her last season, as the Supreme Court is expected to rule in her challenge to the state’s trans sports ban later this month, and she might be barred from participating in women’s sports going forward. “I’m not here to get an advantage,” Pepper-Jackson said as part of her legal fight. “I’ve been like pushed down…