Merge branch '154-release-gitlab-shell-8-3-2' into 'master'

Release GitLab Shell v8.3.2

See merge request gitlab-org/gitlab-shell!243

CHANGELOG

+v8.3.2
+  - Ensure text/plain & text/html content types are handled !239
+  - Fix newlines not appearing between new log entries !242
+
 v8.3.1
   - No changes (version tag correction)
 

VERSION

-8.3.1
+8.3.2