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73b125df - [Pipeline] Add new pipeline for ParaDiGMS -- parallel sampling of diffusion models (#3716)

[Pipeline] Add new pipeline for ParaDiGMS -- parallel sampling of diffusion models (#3716) * add paradigms parallel sampling pipeline * linting * ran make fix-copies * add paradigms parallel sampling pipeline * linting * ran make fix-copies * Apply suggestions from code review Co-authored-by: Sayak Paul <spsayakpaul@gmail.com> * changes based on review * add docs for paradigms * update docs with paradigms abstract * improve documentation, and add tests for ddim/ddpm batch_step_no_noise * fix docs and run make fix-copies * minor changes to docs. * Apply suggestions from code review Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com> * move parallel scheduler to new classes for DDPMParallelScheduler and DDIMParallelScheduler * remove changes for scheduling_ddim, adjust licenses, credits, and commented code * fix tensor type that is breaking tests --------- Co-authored-by: Sayak Paul <spsayakpaul@gmail.com> Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>