diffusers

d9f71ab3 - correct `attention_head_dim` for `JointTransformerBlock` (#8608)

correct `attention_head_dim` for `JointTransformerBlock` (#8608) * add * update sd3 controlnet * Update src/diffusers/models/controlnet_sd3.py --------- Co-authored-by: yiyixuxu <yixu310@gmail,com> Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>