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

Author: renovate[bot]

package.json

@@ -32,7 +32,7 @@
     "stylelint-semantic-groups": "1.2.1"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "4.13.0",
+    "@antfu/eslint-config": "6.3.0",
     "@types/node": "22.15.17",
     "ag-grid-community": "33.2.4",
     "eslint": "9.26.0",