Add Kandinsky 2.1 (#3308)

add kandinsky2.1

---------
Co-authored-by: yiyixuxu <yixu310@gmail,com>
Co-authored-by: Ayush Mangal <43698245+ayushtues@users.noreply.github.com>
Co-authored-by: ayushmangal <ayushmangal@microsoft.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

tests/pipelines/test_pipelines_common.py

@@ -287,7 +287,7 @@ class PipelineTesterMixin:
             for arg in additional_params_copy_to_batched_inputs:
                 batched_inputs[arg] = inputs[arg]
 
-            batched_inputs["output_type"] = None
+            batched_inputs["output_type"] = "np"
 
             if self.pipeline_class.__name__ == "DanceDiffusionPipeline":
                 batched_inputs.pop("output_type")