Add newer mariadb versions to drupalci

Related to #3401846

db/mariadb-10.11.6/conf/my.cnf

+# Base configuration file for MySQL.
+
+[mysqld_safe]
+socket = /var/run/mysqld/mysqld.sock
+nice = 0
+
+[server]
+# Basic Settings.
+user = mysql
+default_authentication_plugin=mysql_native_password
+pid-file = /var/run/mysqld/mysqld.pid
+socket = /var/run/mysqld/mysqld.sock
+port = 3306
+basedir = /usr
+datadir = /var/lib/mysql
+tmpdir = /tmp
+lc_messages_dir = /usr/share/mysql
+skip-external-locking
+skip-log-bin
+transaction_isolation = READ-COMMITTED
+
+# Character sets and SQL mode.
+character_set_server = utf8
+collation_server = utf8_general_ci
+sql_mode = ONLY_FULL_GROUP_BY,TRADITIONAL
+
+# Network.
+bind-address = 0.0.0.0
+
+# Basic Tuning.
+max_connections = 500
+connect_timeout = 5
+wait_timeout = 28800
+max_allowed_packet = 32M
+thread_cache_size = 128
+sort_buffer_size = 4M
+bulk_insert_buffer_size = 16M
+tmp_table_size = 32M
+max_heap_table_size = 32M
+
+# MyISAM.
+myisam_recover_options = BACKUP
+key_buffer_size = 128M
+table_open_cache = 400
+myisam_sort_buffer_size = 512M
+concurrent_insert = 2
+read_buffer_size = 2M
+read_rnd_buffer_size = 1M
+
+# InnoDB.
+default_storage_engine = InnoDB
+innodb_buffer_pool_size = 256M
+innodb_log_buffer_size = 8M
+innodb_file_per_table = 1
+innodb_open_files = 400
+innodb_io_capacity = 400
+innodb_thread_concurrency = 0
+innodb_read_io_threads = 16
+innodb_write_io_threads = 16
+innodb_flush_log_at_trx_commit = 0
+innodb_max_dirty_pages_pct = 70
+innodb_adaptive_hash_index = 0
+
+[mysqldump]
+quick
+quote-names
+max_allowed_packet = 32M