Update installer_base.lib.php

Author: Till Brehm

install/lib/installer_base.lib.php

@@ -266,9 +266,9 @@ public function check_prerequisites() {
 	public function check_mysql_version() {
 		global $conf;
 
-		// Set MariaDB version to 10.0.5 after CentOS 7 support ended to allow preg_* functions in SQL queries
+		// Set MariaDB version to 10.0.5 and MySQL version to 8.0.4 after CentOS 7 support ended to allow preg_* functions in SQL queries
 		$min_mariadb_version = '5.5';
-		$min_mysql_version = '8.0.4';
+		$min_mysql_version = '5.5';
 
 		$rec = $this->db->queryOneRecord('SELECT VERSION() as mysql_version');
 		if(is_array($rec)) {