Merge branch 'ee-sh-bump-grape-path-helpers' into 'master'

Bump grape-path-helpers to solve a bug in GrapePathHelpers::NamedRouteMatcher

See merge request gitlab-org/gitlab-ee!6024

Gemfile.lock

@@ -385,7 +385,7 @@ GEM
     grape-entity (0.7.1)
       activesupport (>= 4.0)
       multi_json (>= 1.3.2)
-    grape-path-helpers (1.0.2)
+    grape-path-helpers (1.0.4)
       activesupport (~> 4)
       grape (~> 1.0)
       rake (~> 12)