Accept `musllinux_1_0` as a valid platform tag (#13289)
## Summary
This seems to match `packaging`:
https://github.com/pypa/packaging/blob/d0d5ad8687f666bea942d1ab4ee2feb5fa019d04/src/packaging/_musllinux.py#L71C1-L72C62
Closes https://github.com/astral-sh/uv/issues/13045.
