Update index.mdx

Author: dimaMachina

src/pages/blog/2025-06-01-graphiql-4/index.mdx

@@ -32,7 +32,7 @@ transition for everyone, I've broken it down into several incremental releases:
 - Dropped support for React 16/17
 - Added support for React 19
 - Introduced a refreshed tabs UI
-- New ESM-based CDN examples
+- New ESM-based CDN example
 - Deprecated the legacy UMD CDN build
 
 ### GraphiQL 4.1 _(This release)_