LCORE-633: bump-up Llama Stack version to 0.2.19#520

tisnik merged 4 commits intolightspeed-core:mainlightspeed-core/lightspeed-stack:mainfrom

tisnik:lcore-633-bump-up-llama-stack-version-to-0.2.19tisnik/lightspeed-stack:lcore-633-bump-up-llama-stack-version-to-0.2.19Copy head branch name to clipboard