refactor: Use NodeConnectionType consistently across the code base (no-changelog) (#10595)

packages/nodes-base/nodes/ExecuteWorkflow/ExecuteWorkflow.node.ts

@@ -1,11 +1,10 @@
-import { NodeOperationError } from 'n8n-workflow';
+import { NodeConnectionType, NodeOperationError } from 'n8n-workflow';
 import type {
 	IExecuteFunctions,
 	INodeExecutionData,
 	INodeType,
 	INodeTypeDescription,
 } from 'n8n-workflow';
-
 import { generatePairedItemData } from '../../utils/utilities';
 import { getWorkflowInfo } from './GenericFunctions';
 
@@ -23,8 +22,8 @@ export class ExecuteWorkflow implements INodeType {
 			name: 'Execute Workflow',
 			color: '#ff6d5a',
 		},
-		inputs: ['main'],
-		outputs: ['main'],
+		inputs: [NodeConnectionType.Main],
+		outputs: [NodeConnectionType.Main],
 		properties: [
 			{
 				displayName: 'Operation',