Update dependency openai to ^4.89.0

Author: elastic-renovate-prod[bot]

package-lock.json

@@ -11,7 +11,7 @@
     "eslint-config-prettier": "^10.1.1",
     "eslint-plugin-prettier": "^5.2.3",
     "jest": "^29.7.0",
-    "openai": "^4.85.4",
+    "openai": "^4.89.0",
     "prettier": "^3.5.3",
     "ts-jest": "^29.2.6",
     "ts-node": "^10.9.2",