MARS8 new Asian regions (#4498)

Author: Sam-Deciga

notebooks/official/generative_ai/cambai_intro_mars8.ipynb

@@ -208,7 +208,13 @@
       "source": [
         "PUBLISHER_NAME = \"cambai\"  # @param {type:\"string\"}\n",
         "PUBLISHER_MODEL_NAME = \"mars8\"\n",
-        "available_regions = [\"us-central1\"]"
+        "available_regions = [\n",
+        "    \"us-central1\",\n",
+        "    \"europe-west2\",\n",
+        "    \"europe-west4\",\n",
+        "    \"asia-south2\",\n",
+        "    \"asia-southeast1\",\n",
+        "]"
       ]
     },
     {