Change logs for choose-mirror source package in Bionic

choose-mirror (2.78ubuntu3) bionic; urgency=medium

  * Switch from artful to bionic as the default.

 -- Adam Conrad <email address hidden>  Tue, 07 Nov 2017 15:15:02 -0700

choose-mirror (2.78ubuntu2) artful; urgency=medium

  * Switch from zesty to artful as the default.

 -- Adam Conrad <email address hidden>  Wed, 26 Apr 2017 12:02:37 -0600