bump: testing with PT 2.7.1 (Lightning-AI#2063)

Author: Borda

.azure/gpu-test.yml

@@ -31,7 +31,7 @@ jobs:
       CI: "true"
       PYTHON_VERSION: "3.10"
       CUDA_VERSION: "12.6.3"
-      TORCH_VERSION: "2.7.0"
+      TORCH_VERSION: "2.7.1"
       CUDNN_FRONTEND_VERSION: "1.10.0"
     container:
       # image: "pytorchlightning/pytorch_lightning:base-cuda-py$(PYTHON_VERSION)-torch$(TORCH_VERSION)-cuda$(CUDA_VERSION)"