docs: update models in vertex examples (#331)

Author: stainless-bot

packages/vertex-sdk/README.md

@@ -30,10 +30,10 @@ async function main() {
     messages: [
       {
         role: 'user',
-        content: 'Hey Claude! How can I recursively list all files in a directory in Rust?',
+        content: 'Hey Claude!',
       },
     ],
-    model: 'claude-instant-1p2',
+    model: 'claude-3-sonnet@20240229',
     max_tokens: 300,
   });
   console.log(JSON.stringify(result, null, 2));

packages/vertex-sdk/examples/vertex.ts

@@ -14,7 +14,7 @@ async function main() {
         content: 'Hello!',
       },
     ],
-    model: 'claude-instant-1p2',
+    model: 'claude-3-sonnet@20240229',
     max_tokens: 300,
   });
   console.log(JSON.stringify(result, null, 2));