fix: fix PySparkPySparkProcessor __init__ instance_type and instance_count params type

Author: andre-marcos-perez

src/sagemaker/spark/processing.py

@@ -680,8 +680,8 @@ class PySparkProcessor(_SparkProcessorBase):
     def __init__(
         self,
         role: str,
-        instance_type: Union[int, PipelineVariable],
-        instance_count: Union[str, PipelineVariable],
+        instance_type: Union[str, PipelineVariable],
+        instance_count: Union[int, PipelineVariable],
         framework_version: Optional[str] = None,
         py_version: Optional[str] = None,
         container_version: Optional[str] = None,