Add missing MySQL 9.0 and MariaDB 11.5 contexts.

[niconoe-]

If you want to include new MariaDB 11.5 and MySQL 9.0, here you go.

Sources :
MySQL:

• https://dev.mysql.com/doc/refman/9.0/en/mysql-nutshell.html
• https://dev.mysql.com/doc/refman/9.0/en/keywords.html

MariaDB:

• https://mariadb.com/kb/en/mariadb-11-5-0-release-notes/