Update dependency eslint to v9 (#9)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

Author: descope[bot]

package.json

@@ -70,7 +70,7 @@
     "@typescript-eslint/eslint-plugin": "^7.1.0",
     "@typescript-eslint/parser": "^7.1.0",
     "concurrently": "^9.1.2",
-    "eslint": "^8.57.0",
+    "eslint": "^9.0.0",
     "jest": "^29.7.0",
     "nodemon": "^3.1.9",
     "prettier": "^3.2.5",