[api] allow to hand over setrelease via token trigger

Release command knows the setrelease parameter. Make it
also possible to use it when executing via a token.

src/api/app/controllers/trigger_controller.rb

@@ -28,7 +28,8 @@ def create
 
     opts = { project: @project, package: @package, repository: params[:repository], arch: params[:arch],
              targetproject: params[:targetproject], targetrepository: params[:targetrepository],
-             filter_source_repository: params[:filter_source_repository] }
+             filter_source_repository: params[:filter_source_repository],
+             setrelease: params[:setrelease] }
     opts[:multibuild_flavor] = @multibuild_container if @multibuild_container.present?
     @token.executor.run_as { @token.call(opts) }
 

src/api/app/models/token/release.rb

@@ -33,6 +33,7 @@ def release(package_to_release, source_repository, target_repository, time_now,
              comment: 'Releasing via trigger event' }
     opts[:multibuild_container] = options[:multibuild_flavor] if options[:multibuild_flavor].present?
     opts[:filter_architecture] = options[:arch] if options[:arch].present?
+    opts[:setrelease] = options[:setrelease] if options[:setrelease].present?
 
     if package_to_release.present?
       release_package(package_to_release,