Avoid passing a non-Collection iterable to parametrize

[musicinmybrain]

This is deprecated since pytest 9.1; see https://docs.pytest.org/en/stable/deprecations.html#parametrize-iterators.

Using list concatenation (+) is simpler than wrapping the itertools.chain(…) in list(…).

Avoids:

=============================== warnings summary ===============================
../../../../../usr/lib/python3.15/site-packages/_pytest/python.py:124
  /usr/lib/python3.15/site-packages/_pytest/python.py:124: PytestRemovedIn10Warning: Passing a non-Collection iterable to parametrize is deprecated.
  Test: tests/py_info/test_py_info.py::test_satisfy_py_info, argvalues type: chain
  Please convert to a list or tuple.
  See https://docs.pytest.org/en/stable/deprecations.html#parametrize-iterators
    metafunc.parametrize(*marker.args, **marker.kwargs, _param_mark=marker)

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html