Fix sys.path_hooks type (#7049)

Docs: https://docs.python.org/3/library/sys.html#sys.path_hooks

stdlib/sys.pyi

@@ -46,7 +46,7 @@ modules: dict[str, ModuleType]
 if sys.version_info >= (3, 10):
     orig_argv: list[str]
 path: list[str]
-path_hooks: list[Any]  # TODO precise type; function, path to finder
+path_hooks: list[Callable[[str], PathEntryFinder]]
 path_importer_cache: dict[str, PathEntryFinder | None]
 platform: str
 if sys.version_info >= (3, 9):