Werk #15336: Add support for MariaDB 11

Component	Checks & agents
Title	Add support for MariaDB 11
Date	Jun 10, 2024
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.4.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.3.0p12 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.2.0p33 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

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.

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