Change heading style for developer account section

Author: Sankalpm-1

hub/includes/apps-distribute-overview.md

@@ -6,7 +6,7 @@ ms.date: 07/12/2024
 :::row:::
     :::column:::
        [![Developer account icon](../apps/publish/images/tile-account.png)<br>](../apps/publish/partner-center/open-a-developer-account.md)
-       **Open a developer account**<br>
+       ###### Open a developer account<br>
        [Create your Microsoft Store developer account in Partner Center, choosing the right setup.](../apps/publish/partner-center/open-a-developer-account.md)
     :::column-end:::
     :::column:::