No breaking changes.

Fixed:
- Menu not opening in creative mode
- NullPointerException when clicking in an empty slot with cancel-item-move enabled
- Menus sometimes not responding on busy servers
- Wrong path used by config sync to download files
- Error when another plugin cancelled opening the SSX menu

New features:
- Run actions when the menu closes: https://github.com/ServerSelectorX/ServerSelectorX/wiki/Menu-close-actions
- New advmessage action to send messages using Adventure MiniMessage: https://docs.adventure.kyori.net/minimessage.html#the-components

Library updates:
- Jetty from 9.4.37 to 9.4.40 (legacy version)
- Jetty from 11.0.1 to 11.0.2 (non-legacy version)