gh-70979: Fix runpy.run_path parameter name in docs (GH-32265)

Noticed while reviewing GH-30729.

Doc/library/runpy.rst

@@ -93,7 +93,7 @@ The :mod:`runpy` module provides two functions:
       run this way, as well as ensuring the real module name is always
       accessible as ``__spec__.name``.
 
-.. function:: run_path(file_path, init_globals=None, run_name=None)
+.. function:: run_path(path_name, init_globals=None, run_name=None)
 
    .. index::
       module: __main__
@@ -140,7 +140,7 @@ The :mod:`runpy` module provides two functions:
 
    A number of alterations are also made to the :mod:`sys` module. Firstly,
    ``sys.path`` may be altered as described above. ``sys.argv[0]`` is updated
-   with the value of ``file_path`` and ``sys.modules[__name__]`` is updated
+   with the value of ``path_name`` and ``sys.modules[__name__]`` is updated
    with a temporary module object for the module being executed. All
    modifications to items in :mod:`sys` are reverted before the function
    returns.