chore (1.x): support vllm 0.18.0 without backwards compat#861

tjohnson31415 merged 7 commits intotorch-spyre:stable/1.xtorch-spyre/sendnn-inference:stable/1.xfrom

tjohnson31415:1.x-upgrade-vllmtjohnson31415/vllm-spyre:1.x-upgrade-vllmCopy head branch name to clipboard