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

packages/cli/test/integration/webhooks.api.test.ts

@@ -1,6 +1,11 @@
 import { readFileSync } from 'fs';
 import { agent as testAgent } from 'supertest';
-import type { INodeType, INodeTypeDescription, IWebhookFunctions } from 'n8n-workflow';
+import {
+	NodeConnectionType,
+	type INodeType,
+	type INodeTypeDescription,
+	type IWebhookFunctions,
+} from 'n8n-workflow';
 
 import { AbstractServer } from '@/abstract-server';
 import { ExternalHooks } from '@/external-hooks';
@@ -182,7 +187,7 @@ describe('Webhook API', () => {
 			description: '',
 			defaults: {},
 			inputs: [],
-			outputs: ['main'],
+			outputs: [NodeConnectionType.Main],
 			webhooks: [
 				{
 					name: 'default',