fix(vllm-tensorizer): Correct workflow yaml for manual workflows and updates to `vllm-tensorizer` container

[sangstar]

This updates the vllm-tensorizer Dockerfile with recent fixes and fixes the workflow yaml to track the correct development branch for vllm-tensorizer, ss/vllm-tensorizer.

[github-actions[bot]]

@sangstar Build complete, success: https://github.com/coreweave/ml-containers/actions/runs/7890774201 Image: ghcr.io/coreweave/ml-containers/vllm-tensorizer:ss-vllm-tensorizer-4eb6349-19307ba71ddeb7e1cc6aec3c1baa8b50d59c1beb

[github-actions[bot]]

@sangstar Build complete, success: https://github.com/coreweave/ml-containers/actions/runs/7890789815 Image: ghcr.io/coreweave/ml-containers/vllm-tensorizer:ss-vllm-tensorizer-9965825-19307ba71ddeb7e1cc6aec3c1baa8b50d59c1beb