Update dependency eslint to v9

Author: renovate[bot]

Diff for: package.json

@@ -27,7 +27,7 @@
     "@typescript-eslint/parser": "^7.0.0",
     "@vitest/coverage-v8": "^2.0.0",
     "dotenv-cli": "^7.2.1",
-    "eslint": "^8.57.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "npm-run-all2": "^7.0.0",
     "prettier": "^3.0.0",