RDB Shredder: bump specs2-core to 2.3.13 (closes #3093)
RDB Shredder: bump specs2-core to 2.3.13 (closes #3093)

haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow