[2.3.0] Checkmk Werk 15336 created: Add support for MariaDB 11

[//]: # (werk v2) # Add support for MariaDB 11 key | value ---------- | --- compatible | yes version | 2.3.0p11 date | 2024-06-10T07:54:55+00:00 level | 1 class | fix component | checks edition | cre MariaDB 11 deprecated mysql* binaries and shows an error message like: ``` mysqladmin: Deprecated program name. It will be removed in a future release, use ‘/usr/bin/mariadb-admin’ instead ``` The agent plugin now checks if the MariaDB binaries are available and prefers them over the mySQL binaries.