chore: update vllm-metal version to v0.2.0 and vllm version to 0.19.1#876

ericcurtin merged 7 commits intomaindocker/model-runner:mainfrom

bump-vllm-and-vllm-metaldocker/model-runner:bump-vllm-and-vllm-metalCopy head branch name to clipboard