chore: update to eslint v9

Author: pi0

.eslintignore

@@ -0,0 +1,13 @@
+import unjs from "eslint-config-unjs";
+
+// https://github.com/unjs/eslint-config
+export default unjs({
+  ignores: [
+    "**/.nuxt",
+    "**/.nitro",
+  ],
+  rules: {
+    "unicorn/prefer-top-level-await": 0,
+    "unicorn/no-empty-file": 0
+  },
+});

.eslintrc

@@ -25,8 +25,8 @@
     "build": "unbuild",
     "dev:nitro": "pnpm run -C examples/nitro dev",
     "dev:nuxt": "pnpm run -C examples/nuxt dev",
-    "lint": "eslint --cache --ext .ts,.js,.mjs,.cjs . && prettier -c src",
-    "lint:fix": "eslint --cache --ext .ts,.js,.mjs,.cjs . --fix && prettier -c src -w",
+    "lint": "eslint --cache . && prettier -c src",
+    "lint:fix": "eslint --cache . --fix && prettier -c src -w",
     "prepack": "pnpm run build",
     "release": "pnpm test && pnpm build && changelogen --release && npm publish && git push --follow-tags",
     "test": "pnpm lint && pnpm test:types",
@@ -44,8 +44,8 @@
     "@cloudflare/workers-types": "^4.20240620.0",
     "@types/node": "^20.14.9",
     "changelogen": "^0.5.5",
-    "eslint": "^8.57.0",
-    "eslint-config-unjs": "^0.2.1",
+    "eslint": "^9.6.0",
+    "eslint-config-unjs": "^0.3.2",
     "h3": "^1.12.0",
     "jiti": "^1.21.6",
     "miniflare": "^3.20240620.0",