feat!: require ESLint v9+

Author: antfu

package.json

@@ -53,7 +53,7 @@
   },
   "peerDependencies": {
     "@vue/compiler-sfc": "^3.3.0",
-    "eslint": "^8.50.0 || ^9.0.0"
+    "eslint": ">=9.0.0"
   },
   "devDependencies": {
     "@antfu/eslint-config": "^3.12.2",