devops: docker release switch to using ubuntu-22.04-s390x image#16302

taronaeo merged 1 commit intoggml-org:masterggml-org/llama.cpp:masterfrom

taronaeo:fix/s390x-docker-detection-failuretaronaeo/llama.cpp-s390x:fix/s390x-docker-detection-failureCopy head branch name to clipboard