fix(frontend) : Increase size of connection pin in blocks (Significan…

…t-Gravitas#8920)

- Resolve Significant-Gravitas#8913

Increase size of Connection pin

<img width="1154" alt="Screenshot 2024-12-09 at 6 44 49 PM"
src="https://github.com/user-attachments/assets/7cd1ad0d-94c3-4027-aeea-d5ecd27e498d">

autogpt_platform/frontend/src/components/NodeHandle.tsx

@@ -49,7 +49,7 @@ const NodeHandle: FC<HandleProps> = ({
       : "border-gray-300";
     return (
       <div
-        className={`${className} ${color} m-1 h-4 w-4 rounded-full border-2 bg-white transition-colors duration-100 group-hover:bg-gray-300`}
+        className={`${className} ${color} m-1 h-6 w-6 rounded-full border-2 bg-white transition-colors duration-100 group-hover:bg-gray-300`}
       />
     );
   };