chore: Use GA version of Model Garden SDK

Author: lizzij

.github/CODEOWNERS

@@ -62,4 +62,5 @@
 /generative-ai/vision/gradio/gradio_image_generation_sdk.ipynb                                                                   @GoogleCloudPlatform/generative-ai-devrel @jbrache
 /generative-ai/vision/use-cases                                                                                                  @GoogleCloudPlatform/generative-ai-devrel @iamthuya
 /generative-ai/vision/use-cases/hey_llm                                                                                          @GoogleCloudPlatform/generative-ai-devrel @tushuhei
-/generative-ai/open-models/serving/cloud_run_ollama_qwen3_inference.ipynb                                                        @GoogleCloudPlatform/generative-ai-devrel @vladkol
+/generative-ai/open-models/serving/cloud_run_ollama_qwen3_inference.ipynb                                                        @GoogleCloudPlatform/generative-ai-devrel @vladkol
+/generative-ai/open-models/get_started_with_model_garden_sdk.ipynb                                                               @GoogleCloudPlatform/generative-ai-devrel @inardini @heliza