[2064]: Add Karras to DPMSolverMultistepScheduler (#3001)
* [2737]: Add Karras DPMSolverMultistepScheduler
* [2737]: Add Karras DPMSolverMultistepScheduler
* Add test
* Apply suggestions from code review
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
* fix: repo consistency.
* remove Copied from statement from the set_timestep method.
* fix: test
* Empty commit.
Co-authored-by: njindal <njindal@adobe.com>
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Co-authored-by: njindal <njindal@adobe.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>