chore: bump up @antfu/eslint-config version to v8

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "test:watch": "vitest --watch --config ./vitest.config.ts"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^2.16.0",
+    "@antfu/eslint-config": "^8.0.0",
     "@changesets/cli": "^2.27.2",
     "@types/node": "^20.12.7",
     "@vitest/coverage-v8": "^1.4.0",