Add GeGLU activation and change activation type to activation config for model_config.
GeGLU activation is used in diffusion model.
And GeGLU has parameters: https://paperswithcode.com/method/geglu
Change activation type to activation config in all model_configs class.
Add GeGLU activation and change activation type to activation config for model_config.
GeGLU activation is used in diffusion model. And GeGLU has parameters: https://paperswithcode.com/method/geglu Change activation type to activation config in all model_configs class.
BUG=b/311216181