llama.cpp

790b5713 - ci : store ccache on HF buckets (test with cuda-ubuntu for now) (#27699)

ci : store ccache on HF buckets (test with cuda-ubuntu for now) (#27699) * add ccache-buckets action * use ccache-buckets * only save on master * install python3-venv for hip * add jq and python3 for cuda * only delete caches older than 5 minutes