tigerlittle1

**Is your feature request related to a problem? Please describe.** When i feed the `out_dim` argument in `__init__` in [Attention block](https://github.com/huggingface/diffusers/blob/b69fd990ad8026f21893499ab396d969b62bb8cc/src/diffusers/models/attention_processor.py#L114) it will raise the shape error, because the `query_dim...