COLUMBIA, S.C. (AP) — Coach Dawn Staley received a contract extension on Friday that South Carolina said will make her the highest paid college women’s basketball coach of all time at a total value of about $25 million. Staley is signed through the 2029-30 season, earning $4 million a year to start with an annual $250,000 escalator. There’s also a $500,000 signing bonus, the school announced. “Dawn Staley is a once-in-a-generation coach who has…