SAN FRANCISCO — Steph Curry hit the dagger rainbow 3-pointer in overtime to give the underdog Warriors a thrilling 132-126 win over the Boston Celtics on Tuesday night at Chase Center. The Warriors have won three straight and move to 13-14 on the year. The Warriors closed a tense fourth quarter and overtime with Curry, Klay Thompson, Chris Paul, Jonathan Kuminga and rookie Trayce Jackson-Davis. Jackson-Davis had his first double-double with 13 rebounds and 10 points in 28 minutes. He also had a key block in overtime, flying into the paint to deflect Jaylen Brown’s layup and preserve a four-poi…