scaled with the formula z = z * scaling_factor before being passed to the
diffusion model. When decoding, the latents are scaled back to the original scale with the formula: z = 1 / scaling_factor * z. For more details, refer to sections 4.3.2 and D.1 of the High-Resolution Image
Synthesis with Latent Diffusion Models paper.   force_upcast (bool, optional, default to True) —
If enabled it will force the VAE to run in float32 for high image reso