chore(deps): update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
     "@typescript-eslint/parser": "7.18.0",
     "@vitest/coverage-v8": "0.34.6",
     "cpy": "10.1.0",
-    "eslint": "8.57.1",
+    "eslint": "9.20.1",
     "eslint-config-next": "15.1.6",
     "eslint-config-prettier": "10.0.1",
     "eslint-plugin-prettier": "5.2.3",