Use new bundle-audit check --update shortcut

Author: mattbrictson

Gemfile.tt

@@ -40,7 +40,7 @@ end
 group :development do
   gem "airbrussh", "~> 1.0", :require => false
   gem "brakeman", :require => false
-  gem "bundler-audit", :require => false
+  gem "bundler-audit", ">= 0.5.0", :require => false
   gem "capistrano", "~> 3.4", :require => false
   gem "capistrano-bundler", :require => false
   gem "capistrano-mb", ">= 0.22.2", :require => false

jenkins-ci.sh

@@ -41,8 +41,7 @@ if bundle show brakeman &> /dev/null; then
   bundle exec brakeman --no-progress
 fi
 if bundle show bundler-audit &> /dev/null; then
-  bundle exec bundle-audit update
-  bundle exec bundle-audit -v
+  bundle exec bundle-audit check --update -v
 fi
 
 # Run a capistrano deploy if we just built the "development" branch.