fix the comment to explain none type for boto3

Author: Ana Falcao

aws_lambda_powertools/utilities/data_classes/code_pipeline_job_event.py

@@ -310,7 +310,7 @@ def put_artifact(self, artifact_name: str, body: Any, content_type: str) -> None
         bucket = artifact.location.s3_location.bucket_name
         key = artifact.location.s3_location.key
 
-        # boto3 doesn't treat None as equivalent to omitting the parameter when using ServerSideEncryption and SSEKMSKeyId
+        # boto3 doesn't support None to omit the parameter when using ServerSideEncryption and SSEKMSKeyId
         # So we are using if/else instead. 
 
         if self.data.encryption_key: