[hybrid inference 🍯🐝] Add VAE encode (#11017)
* [hybrid inference 🍯🐝] Add VAE encode
* _toctree: add vae encode
* Add endpoints, tests
* vae_encode docs
* vae encode benchmarks
* api reference
* changelog
* Update docs/source/en/hybrid_inference/overview.md
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* update
---------
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
