Update next meetup date

Signed-off-by: Jaliya Udagedara <[email protected]>

Author: jaliyaudagedara

Diff for: index.html

@@ -621,7 +621,7 @@ <h2 class="sub-headline">Sign up for upcoming and view past community events</h2
                             <td><span class="fa fa-arrow-circle-up" style="color: #808080;"></span></td>
                             <td><a href="https://lu.ma/9y2a60aw" target="_blank">Serverless Workflow Workshop #6</a></td>
                             <td><a href="https://lu.ma/9y2a60aw" target="_blank">Sign up!</a></td>
-                            <td>February 28 2023</td>
+                            <td>April 21 2023</td>
                         </tr>
                         <tr>
                             <td><span class="fa fa-play-circle" style="color: #808080;"></span></td>