In its pursuit to build a 911 for every niche, Porsche on Tuesday unveiled a version that’s gone on a diet. That car is the 2023 Porsche Carrera 911 T, which will cost $118,050 (including destination) when it arrives at U.S. dealers next spring. Porsche enthusiasts will note the 911 T returned in 2018 after 50 years. The model was originally…