Happy 1st anniversary 🤗 Diffusers!

The Diffusers library, a framework for diffusion models, celebrates its first anniversary with the release of version 0.20.0. This update introduces new features such as improved support for training and fine-tuning models, enhanced sampling techniques, and expanded pre-trained model availability, including models like Stable Diffusion and DALL-E. This release is significant for practitioners as it streamlines the process of implementing diffusion models, making it easier to leverage state-of-the-art generative capabilities in various applications.