Support more uv invocations

[mschoettle]

Not sure if this makes sense, however, in the same style as the original action (which does pip install pre-commit, this action could also support a scenario where uvx pre-commit is invoked instead.

I tried this out in my own fork (mschoettle#1) and it becomes a bit complicated. Could also be done via an input.

The reason behind this is that I currently still have a requirements file since I haven't migrated yet to pyproject.toml and uv. I started using uv in CI first.