docs: use direct heygen.com logo url for heygen card

Author: miguel-heygen

docs/community/adopters.mdx

@@ -19,7 +19,7 @@ If you'd rather not be listed publicly, we'd still love to hear about your usage
 ## Production
 
 <CardGroup cols={3}>
-  <Card title="HeyGen" href="https://www.heygen.com" img="https://logo.clearbit.com/heygen.com">
+  <Card title="HeyGen" href="https://www.heygen.com" img="https://app.heygen.com/apple-touch-icon.png">
     Powers AI-generated video composition and rendering across HeyGen's video product surface.
   </Card>
   <Card title="tldraw" href="https://tldraw.com" img="https://logo.clearbit.com/tldraw.com">