Merge branch 'fix/bump-workhorse-version' into 'master'

Bump Workhorse version to 0.6.2

Fix for #12634 has been introduced in gitlab-org/gitlab-workhorse!34.

See merge request !2616

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
+v 8.5.0 (unreleased)
+  - Add "visibility" flag to GET /projects api endpoint
+  - Ignore binary files in code search to prevent Error 500 (Stan Hu)
+  - Upgrade gitlab_git to 7.2.23 to fix commit message mentions in first branch push
+  - New UI for pagination
+  - Fix diff comments loaded by AJAX to load comment with diff in discussion tab
+  - Whitelist raw "abbr" elements when parsing Markdown (Benedict Etzel)
+  - Don't vendor minified JS
+  - Track project import failure
+  - Fix visibility level text in admin area (Zeger-Jan van de Weg)
+
+v 8.4.2 (unreleased)
+  - Fix missing artifacts in build artifacts browser (fixed in Workhorse)
+
 v 8.4.1
   - Apply security updates for Rails (4.2.5.1), rails-html-sanitizer (1.0.3),
     and Nokogiri (1.6.7.2)

GITLAB_WORKHORSE_VERSION

-0.6.1
+0.6.2