Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -61,7 +61,7 @@
     "@types/supertest": "^6.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
-    "eslint": "^8.30.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-config-standard": "^17.1.0",
     "eslint-plugin-jest": "^28.0.0",