Update upgrade_mariadb.sh (#2094)

Change MariaDB version to 10.6

install/upgrade/manual/upgrade_mariadb.sh

@@ -3,7 +3,7 @@
 # This script validates and upgrades the MariaDB version to 10.5
 
 # Set MariaDB Target Version
-mariadb_v='10.5'
+mariadb_v='10.6'
 
 # Load OS informations
 source /etc/os-release
@@ -55,4 +55,4 @@ apt remove -qq mariadb-server -y  > /dev/null 2>&1
 echo "Installing new MariaDB Server, start and run upgrade..."
 apt install -qq mariadb-server -y 
 systemctl start mysql > /dev/null 2>&1
-mysql_upgrade
+mysql_upgrade