fix(genai): update virtual-try-on model to stable version 001

Author: angelcaamal

genai/image-generation/imggen_virtual-try-on-with-txt-img.js

@@ -48,7 +48,7 @@ async function virtualTryOn(
   };
 
   const image = await client.models.recontextImage({
-    model: 'virtual-try-on-preview-08-04',
+    model: 'virtual-try-on-001',
     source: source,
   });