[Jobs] Support commands in hf jobs uv run

[lhoestq]

support hf jobs uv run command in addition to hf jobs uv run script.py as in the official uv

this is useful to run cli commands from python packages, e.g.

hf jobs uv run --with lighteval -s HF_TOKEN lighteval endpoint inference-providers "model_name=openai/gpt-oss-20b,provider=groq" "lighteval|gsm8k|0|0"

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.