feat(visualqa): review comments implemented

Author: Dinesh Sajwan

src/patterns/gen-ai/aws-rag-appsync-stepfn-opensearch/index.ts

@@ -536,7 +536,8 @@ export class RagAppsyncStepfnOpensearch extends BaseClass {
       actions: [
         'rekognition:DetectModerationLabels',
       ],
-      resources: ['*'] }));
+      resources: ['*'],
+    }));
 
     s3_transformer_job_function_role.addToPolicy(new iam.PolicyStatement({
       effect: iam.Effect.ALLOW,