Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -28,7 +28,7 @@
   "devDependencies": {
     "ava": "^6.0.0",
     "c8": "^10.0.0",
-    "eslint": "^8.27.0",
+    "eslint": "^9.0.0",
     "eslint-config-problems": "^8.0.0",
     "eslint-plugin-prettier": "^5.0.0",
     "postcss": "^8.0.0",