add MariaDB support

Author: LordSimal

tests/TestCase/Command/DumpSqlCommandTest.php

@@ -46,6 +46,7 @@ public function testCommand(): void
             $this->assertOutputContains('CREATE TABLE IF NOT EXISTS "posts"');
             $this->assertOutputContains('INSERT INTO posts VALUES(');
         } elseif ($this->isDBType(Mysql::class)) {
+            var_dump($this->_out->messages());
             $this->assertOutputContains('CREATE TABLE `posts` (');
             $this->assertOutputContains('INSERT INTO `posts` VALUES (');
         } elseif ($this->isDBType(Postgres::class)) {