Update eslint to version 9.15.0

Author: depfu[bot]

package.json

@@ -40,7 +40,7 @@
     "style.css": "^1.0.3"
   },
   "devDependencies": {
-    "eslint": "8.39.0",
+    "eslint": "9.15.0",
     "eslint-config-next": "^13.4.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-prettier": "^4.2.1",