chore(deps): update dependency @antfu/eslint-config to v4

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "sync": "svelte-kit sync"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^0.42.0",
+    "@antfu/eslint-config": "^4.0.0",
     "@iconify-json/cib": "^1.1.4",
     "@iconify-json/ic": "^1.1.13",
     "@iconify-json/mdi": "^1.1.53",