Increase homepage logo size slightly

- Increase logo height from 120px to 140px for better visibility

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

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

Author: tomvannuenen

index.html

@@ -6,7 +6,7 @@
 <div class="homepage-hero">
   <div class="container text-center py-3">
     <a href="https://dlab.berkeley.edu/" target="_blank">
-      <img src="static/images/logo-2023.png" alt="D-Lab Berkeley" class="mb-2 d-block mx-auto" style="height: 120px; width: auto;">
+      <img src="static/images/logo-2023.png" alt="D-Lab Berkeley" class="mb-2 d-block mx-auto" style="height: 140px; width: auto;">
     </a>
     <h2 class="mb-0">Workshop Catalog</h2>
   </div>