Update UPDATE.ubuntu.md

Author: ruslanbaidan

INSTALL/UPDATE.ubuntu.md

@@ -2,6 +2,7 @@ Version update guide for any Ubuntu version (for the release based installation)
 =================================================================================
 ## The update guide is only applicable for the release based installation of the Monarc FrontOffice.
 Means based on the installation steps described here:
+
 https://github.com/monarc-project/MonarcAppFO/blob/master/INSTALL/INSTALL.ubuntu2204.md#2-installation-of-monarc
 
 ## It is recommended to perform database or server backup / snapshot before starting the update process.