Stub out project#reset_cache

app/controllers/projects_controller.rb

@@ -175,6 +175,9 @@ class ProjectsController < Projects::ApplicationController
     )
   end
+  def reset_cache
+  end
+
   def export
     @project.add_export_job(current_user: current_user)

config/routes/project.rb

@@ -436,6 +436,7 @@ constraints(ProjectUrlConstrainer.new) do
         get :download_export
         get :activity
         get :refs
+        get :reset_cache
         put :new_issuable_address
       end
     end