HOUSTON — The Mariners are returning home triumphantly. They finished off a nine-game road trip in style Wednesday evening, rallying on home runs from Cal Raleigh and Ty France and defeating AL West-leading Houston, 6-3, at Minute Maid Park. What did it mean? It meant a 6-3 road trip, their fourth straight series victory and they did it at a ballpark where they were 4-26 in their previous games entering the series. It was Seattle’s first series win in Houston since September 2018, so the Mariners will be coming home with smiles and confidence. It is certainly a different feeling than their las…