[build] Fix VS toolset detection for CUDA builds

scikit-build was incorrectly auto-detecting toolset v144, which doesn't
exist. Force CMAKE_GENERATOR_TOOLSET=v143 for VS 2022 compatibility.

Author: Breakthrough

.github/workflows/build_wheels_windows.yml

@@ -72,6 +72,8 @@ jobs:
       OPENCV_TEST_DATA_PATH: ${{ github.workspace }}\opencv_extra\testdata
       CUDA_ARCH_BIN: ${{ matrix.cuda-arch-bin }}
       CUDA_ARCH_PTX: ${{ matrix.cuda-arch-ptx }}
+      # Force VS 2022 toolset - scikit-build incorrectly detects v144 which doesn't exist
+      CMAKE_GENERATOR_TOOLSET: v143
     steps:
     - name: Cleanup
       shell: bash