Update grape gem

New version of the gem returns 200 status code on delete with content
instead of 204 so we explicitly set status code to keep existing
behavior

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/api/variables.rb b/lib/api/variables.rb
index 7fa528fb2d3..7c0fdd3d1be 100644
--- a/lib/api/variables.rb
+++ b/lib/api/variables.rb
@@ -88,6 +88,7 @@ module API
         variable = user_project.variables.find_by(key: params[:key])
         not_found!('Variable') unless variable
 
+        status 204
         variable.destroy
       end
     end