The message "needs to be upgraded using 'mysql_upgrade' tool" is displayed when mariadb starts

Issue

• After performing backup → restore operation on mariadb database using Mariabackup, when starting the restored database, the following message prompting that the database needs to be upgraded appears in /var/log/messages:

Apr  8 01:32:53 localhost systemd[1]: Starting MariaDB 10.3 database server...
Apr  8 01:32:53 localhost mysql-prepare-db-dir[12345]: Database MariaDB is probably initialized in /var/lib/mysql already, nothing is done.
Apr  8 01:32:53 localhost mysql-prepare-db-dir[12345]: If this is not the case, make sure the /var/lib/mysql is empty before running mysql-prepare-db-dir.
Apr  8 01:32:53 localhost mysqld[12346]: 2024-04-08  1:32:53 0 [Note] /usr/libexec/mysqld (mysqld 10.3.28-MariaDB) starting as process 20096 ...
Apr  8 01:32:53 localhost mysql-check-upgrade[12347]: The datadir located at /var/lib/mysql needs to be upgraded using 'mysql_upgrade' tool. This can be done using the following steps: