build: Update ESLint to v9 (#16639)

packages/@n8n/benchmark/eslint.config.mjs

@@ -0,0 +1,22 @@
+import { defineConfig, globalIgnores } from 'eslint/config';
+import { nodeConfig } from '@n8n/eslint-config/node';
+
+export default defineConfig(
+	nodeConfig,
+	globalIgnores(['scenarios/**', 'scripts/**']),
+	{
+		rules: {
+			'unicorn/filename-case': ['error', { case: 'kebabCase' }],
+			'n8n-local-rules/no-plain-errors': 'off',
+			complexity: 'error',
+			'@typescript-eslint/naming-convention': 'warn',
+			'no-empty': 'warn',
+		},
+	},
+	{
+		files: ['./src/commands/*.ts'],
+		rules: {
+			'import-x/no-default-export': 'off',
+		},
+	},
+);