chore(deps): update dependency @antfu/eslint-config to v6

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "test:browser:playwright": "pnpm -C test/browser run test:playwright"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^5.4.1",
+    "@antfu/eslint-config": "^6.2.0",
     "@antfu/ni": "^27.0.1",
     "@playwright/test": "^1.55.0",
     "@rollup/plugin-commonjs": "^28.0.6",