update

Author: mrbullwinkle

articles/ai-services/openai/toc.yml

@@ -218,7 +218,7 @@ items:
   items:
     - name: Embeddings
       href: ./tutorials/embeddings.md
-    - name: Fine-tuning GPT-3.5-Turbo
+    - name: Fine-tuning GPT-4o mini
       href: ./tutorials/fine-tune.md
     - name: Speech to speech chat
       href: ../speech-service/openai-speech.md?context=%2fazure%2fcognitive-services%2fopenai%2fcontext%2fcontext