fix: use nodejs runtime for OG API route

Edge runtime doesn't allow dynamic code evaluation which is used by
@hyperlane-xyz/utils. Switch to nodejs runtime for compatibility.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: paulbalaji

src/pages/api/og.tsx

@@ -37,7 +37,9 @@ interface WarpTransferDetails {
 // ============================================================================
 
 export const config = {
-  runtime: 'edge',
+  runtime: 'nodejs',
+  // Use max duration for OG image generation
+  maxDuration: 30,
 };
 
 // Global font cache to avoid reloading on every request