ci : switch cudatoolkit install on windows to networked (ggml-org#3236)

Author: Green-Sky

.github/workflows/build.yml

@@ -406,6 +406,7 @@ jobs:
         id: cuda-toolkit
         with:
           cuda: ${{ matrix.cuda }}
+          method: 'network'
           sub-packages: '["nvcc", "cudart", "cublas", "cublas_dev", "thrust", "visual_studio_integration"]'
 
       - name: Build