ci: Drop support for Node.js 18 (#15146)

packages/nodes-base/jest.config.js

@@ -6,9 +6,5 @@ module.exports = {
 	...require('../../jest.config'),
 	collectCoverageFrom: ['credentials/**/*.ts', 'nodes/**/*.ts', 'utils/**/*.ts'],
 	globalSetup: '<rootDir>/test/globalSetup.ts',
-	setupFilesAfterEnv: [
-		'jest-expect-message',
-		'n8n-workflow/test/setup.ts',
-		'<rootDir>/test/setup.ts',
-	],
+	setupFilesAfterEnv: ['jest-expect-message', '<rootDir>/test/setup.ts'],
 };