message: package: Update debian changelog
diff: +ion-shell (1:1.0.0-alpha2.3) disco; urgency=medium
  +
  + * New release
  +
  + -- Michael Aaron Murphy <michael@system76.com> Wed, 29 May 2019 17:26:48 -0600
  +
  ion-shell (1:1.0.0-alpha2.2) cosmic; urgency=medium
  * More prompt fixes, optimizations, and string concat support
  