Update dependency @antfu/eslint-config to v7

Author: renovate-bot

website/package.json

@@ -45,7 +45,7 @@
     "moment": "2.30.1"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^6.2.0",
+    "@antfu/eslint-config": "^7.0.0",
     "@eslint/eslintrc": "^3.3.1",
     "@mdit/plugin-attrs": "0.23.3",
     "@mdit/plugin-figure": "0.22.2",