Update type hints of `register_factory` to be compatible with examples (#6290)

The example: https://python-poetry.org/docs/plugins/#application-plugins

Creates a `cleo.commands.command` from the factory, which is not compatible with the type `poetry.console.commands.command`. Use the correct type instead.

src/poetry/console/command_loader.py

@@ -9,7 +9,7 @@ from cleo.loaders.factory_command_loader import FactoryCommandLoader
 if TYPE_CHECKING:
     from collections.abc import Callable
 
-    from poetry.console.commands.command import Command
+    from cleo.commands.command import Command
 
 
 class CommandLoader(FactoryCommandLoader):  # type: ignore[misc]