fix: set gsoc 2021... as H2

Signed-off-by: JayH25 <jayhirapara2506@gmail.com>

Author: JayH25

src/collections/programs/gsoc-2021/index.mdx

@@ -38,7 +38,7 @@ import gsoc_logo from "./gsoc.svg";
     <li>Approximately 38+ million lines of code have been produced</li>
   </ul>
 </div>
-<b>GSoC 2021 Project Ideas</b>
+<h2>GSoC 2021 Project Ideas</h2>
 <div>
   <h3>Envoy - Adaptive Load Control and Distributed Load Testing of Envoy Data Planes</h3>