Fix deprecation warning from MariaDB 11

[ALameLlama]

With MariaDB 11 it'll complain with deprecated program name. this updates it to use mariadb instead of mysql to fix it :)

Before:

    homestead-testing: Configuration file '/etc/mysql/debian-start'
    homestead-testing:  ==> Deleted (by you or by a script) since installation.
    homestead-testing:  ==> Package distributor has shipped an updated version.
    homestead-testing:  ==> Using new file as you requested.
    homestead-testing: Installing new version of config file /etc/mysql/debian-start ...
    homestead-testing: renamed '/etc/logrotate.d/mysql-server' -> '/etc/logrotate.d/mysql-server.dpkg-bak'
    homestead-testing: Created symlink /etc/systemd/system/multi-user.target.wants/mariadb.service → /lib/systemd/system/mariadb.service.
    homestead-testing: mariadb-extra.socket is a disabled or a static unit, not starting it.
    homestead-testing: mariadb-extra.socket is a disabled or a static unit, not starting it.
    homestead-testing: Setting up libcgi-fast-perl (1:2.15-1) ...
    homestead-testing: Setting up mariadb-server-compat (1:11.1.2+maria~ubu2004) ...
    homestead-testing: Processing triggers for systemd (245.4-4ubuntu3.19) ...
    homestead-testing: Processing triggers for man-db (2.9.1-1) ...
    homestead-testing: Processing triggers for libc-bin (2.31-0ubuntu9.9) ...
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
    homestead-testing: mysql_upgrade: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb-upgrade' instead
    homestead-testing: Looking for 'mariadb' as: mariadb
    homestead-testing: Looking for 'mariadb-check' as: mariadb-check

...

==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: homestead (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: homestead
    homestead-testing: We didn't find MySQL ($mysql), skipping $DB creation
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: totally_real_db (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: totally_real_db
    homestead-testing: We didn't find MySQL ($mysql), skipping $DB creation
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: totally_real_db_two (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: totally_real_db_two
    homestead-testing: We didn't find MySQL ($mysql), skipping $DB creation
    homestead-testing: mysql: Deprecated program name. It will be removed in a future release, use '/usr/bin/mariadb' instead
==> homestead-testing: Running provisioner: Update Composer (shell)...

After:

    homestead-testing: Configuration file '/etc/mysql/debian-start'
    homestead-testing:  ==> Deleted (by you or by a script) since installation.
    homestead-testing:  ==> Package distributor has shipped an updated version.
    homestead-testing:  ==> Using new file as you requested.
    homestead-testing: Installing new version of config file /etc/mysql/debian-start ...
    homestead-testing: renamed '/etc/logrotate.d/mysql-server' -> '/etc/logrotate.d/mysql-server.dpkg-bak'
    homestead-testing: Created symlink /etc/systemd/system/multi-user.target.wants/mariadb.service → /lib/systemd/system/mariadb.service.
    homestead-testing: mariadb-extra.socket is a disabled or a static unit, not starting it.
    homestead-testing: mariadb-extra.socket is a disabled or a static unit, not starting it.
    homestead-testing: Setting up libcgi-fast-perl (1:2.15-1) ...
    homestead-testing: Setting up mariadb-server-compat (1:11.1.2+maria~ubu2004) ...
    homestead-testing: Processing triggers for systemd (245.4-4ubuntu3.19) ...
    homestead-testing: Processing triggers for man-db (2.9.1-1) ...
    homestead-testing: Processing triggers for libc-bin (2.31-0ubuntu9.9) ...
    homestead-testing: Looking for 'mariadb' as: mariadb
    homestead-testing: Looking for 'mariadb-check' as: mariadb-check
    homestead-testing: Phase 1/8: Checking and upgrading mysql database
    homestead-testing: Processing databases

...

    homestead-testing: Running: script: Restart Webserver
==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: homestead (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: homestead
==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: totally_real_db (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: totally_real_db
==> homestead-testing: Running provisioner: Creating MySQL / MariaDB Database: totally_real_db_two (shell)...
    homestead-testing: Running: script: Creating MySQL / MariaDB Database: totally_real_db_two
==> homestead-testing: Running provisioner: Update Composer (shell)...

[svpernova09]

Thanks.