finatra-inject-dtab: cross build 2.13
finatra-inject-dtab: cross build 2.13

Problem

Cross build for Scala 2.13 is not enabled for `injectDtab`

Solution

mark `injectDtab` for cross build to 2.13 using `withTwoThirteen`

Result

`injectDtab` successfully cross builds with 2.13

Differential Revision: https://phabricator.twitter.biz/D576583

twitter/finatra,twitter/finatra,twitter/finatra