Add migration for creating bss_process_queue table

[frenzibyte]

• Closes Database migration missing for table bss_process_queue #9091

Migration done as per the table creation showcase that was posted in the thread:

CREATE TABLE `bss_process_queue` (
  `queue_id` int unsigned NOT NULL AUTO_INCREMENT,
  `beatmapset_id` int unsigned NOT NULL,
  `start_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `status` tinyint(1) NOT NULL DEFAULT '0',
  `update_time` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`queue_id`),
  KEY `status` (`status`),
  KEY `beatmapset_id` (`beatmapset_id`)
) ENGINE=InnoDB