documentation: Fix dataset_definition links

Author: tuliocasagrande

src/sagemaker/processing.py

@@ -1056,9 +1056,9 @@ def __init__(
             s3_data_distribution_type (str): Valid options are "FullyReplicated"
                 or "ShardedByS3Key".
             s3_compression_type (str): Valid options are "None" or "Gzip".
-            s3_input (:class:`~sagemaker.dataset_definition.S3Input`)
+            s3_input (:class:`~sagemaker.dataset_definition.inputs.S3Input`)
                 Metadata of data objects stored in S3
-            dataset_definition (:class:`~sagemaker.dataset_definition.DatasetDefinition`)
+            dataset_definition (:class:`~sagemaker.dataset_definition.inputs.DatasetDefinition`)
                 DatasetDefinition input
             app_managed (bool): Whether the input are managed by SageMaker or application
         """