Update model_selection_guide.ipynb (#1816)

Author: shikhar-cyber

examples/partners/model_selection_guide/model_selection_guide.ipynb

@@ -3305,7 +3305,7 @@
     "\n",
     "## Contributors\n",
     "\n",
-
+    " This cookbook serves as a joint collaboration effort between OpenAI and [Tribe AI](https://www.tribe.ai/)\n", 
     "- [Kashyap Coimbatore Murali](https://www.linkedin.com/in/kashyap-murali/)\n",
     "- [Nate Harada](https://www.linkedin.com/in/nate-harada/) \n",
     "- [Sai Prashanth Soundararaj](https://www.linkedin.com/in/saiprashanths/)\n",