Adjust version threshold for new Mysql constants from 8.5 to 8.4

Author: BastianLedererIcinga

src/Adapter/Mysql.php

@@ -24,7 +24,7 @@ public function getOptions(Config $config)
         $options = parent::getOptions($config);
         // In PHP 8.5+, driver-specific constants of the PDO class are deprecated,
         // but the replacements are only available since php 8.4
-        if (version_compare(PHP_VERSION, '8.5.0', '<')) {
+        if (version_compare(PHP_VERSION, '8.4.0', '<')) {
             $mysqlConstantPrefix = 'PDO::MYSQL_ATTR_';
         } else {
             $mysqlConstantPrefix = 'Pdo\Mysql::ATTR_';