Merge branch 'sh-release-6-1-0' into 'master'

Release GitLab Workhorse v6.1.0

See merge request gitlab-org/gitlab-workhorse!299

CHANGELOG

@@ -2,6 +2,10 @@
 
 Formerly known as 'gitlab-git-http-server'.
 
+v 6.1.0
+
+- Support adding PUT headers for object storage from Rails !297
+
 v 6.0.0
 
 - Accelerate Maven artifact repository uploads !283

VERSION

-6.0.0
+6.1.0