Fixes colab link for monitoring notebook

Author: whoseoyster

examples/monitoring/quickstart/llms/openai_llm_monitor.ipynb

@@ -5,7 +5,7 @@
    "id": "2722b419",
    "metadata": {},
    "source": [
-    "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/openlayer-ai/examples-gallery/blob/main/monitoring/quickstart/llms/openai-llm-monitor.ipynb)\n",
+    "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/openlayer-ai/examples-gallery/blob/main/monitoring/quickstart/llms/openai_llm_monitor.ipynb)\n",
     "\n",
     "\n",
     "# <a id=\"top\">LLM monitoring quickstart</a>\n",