Properly Typing ClipTextEncode response

[M1kep]

I'm running issues typing the ClipTextEncode response as it's a tuple[list[list[torch.Tensor, dict]]] and __qualname__ doesn't exist on the types.UnionType.

ref: https://github.com/comfyanonymous/ComfyUI/blob/6ab1e6fd4a2f7cc5945310f0ecfc11617aa9a2cb/nodes.py#L47-L67