Potential fix for code scanning alert no. 26: DOM text reinterpreted as HTML (#8304)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: ardatan

website/src/components/examples-sandbox.tsx

@@ -97,7 +97,7 @@ export function ExamplesSandbox({ lazy = false, border = false, ...rest }: Examp
 
   const { basePath } = useRouter();
 
-  const iframeSrc = `${basePath}/codesandbox-iframe.html?example=${exampleDir}`;
+  const iframeSrc = `${basePath}/codesandbox-iframe.html?example=${encodeURIComponent(exampleDir)}`;
 
   return (
     <div {...rest} className={cn('w-full', rest.className)}>