llama.cpp

c2ce6c47 - fix CUDA CI by using a windows-2019 image (#7861)

fix CUDA CI by using a windows-2019 image (#7861) * try to fix CUDA ci with --allow-unsupported-compiler * trigger when build.yml changes * another test * try exllama/bdashore3 method * install vs build tools before cuda toolkit * try win-2019