feat: update keynote videos on changelog page (#1036)

- Add July 4, 2025 video (https://www.youtube.com/watch?v=_DbT5xmR3wI)
- Add June 27, 2025 video (https://www.youtube.com/watch?v=PHYMDmvuPLY)
- Keep only the 4 latest videos (removed May 16 and April 25)

Fixes #1035

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: Ruben Fiszel <[email protected]>

Author: claude[bot]

src/theme/BlogLayout/index.js

@@ -54,38 +54,38 @@ export default function BlogLayout(props) {
 									<ul className="list-disc list-inside space-y-2 text-gray-700 dark:text-gray-300 mt-4">
 									<li>
 											<a
-												href="https://youtube.com/live/mITa8YBQUUs"
+												href="https://www.youtube.com/watch?v=_DbT5xmR3wI"
 												target="_blank"
 												rel="noopener noreferrer"
 											>
-												June 13, 2025
+												July 4, 2025
 											</a>
 										</li>
 										<li>
 											<a
-												href="https://youtube.com/live/wQLklVChth4"
+												href="https://www.youtube.com/watch?v=PHYMDmvuPLY"
 												target="_blank"
 												rel="noopener noreferrer"
 											>
-												June 6, 2025
+												June 27, 2025
 											</a>
 										</li>
 										<li>
 											<a
-												href="https://youtube.com/live/9wG5HIggom8"
+												href="https://youtube.com/live/mITa8YBQUUs"
 												target="_blank"
 												rel="noopener noreferrer"
 											>
-												May 16, 2025
+												June 13, 2025
 											</a>
 										</li>
 										<li>
 											<a
-												href="https://youtube.com/live/109Iq5qS68Y"
+												href="https://youtube.com/live/wQLklVChth4"
 												target="_blank"
 												rel="noopener noreferrer"
 											>
-												April 25, 2025
+												June 6, 2025
 											</a>
 										</li>
 									</ul>