Introduce RuboCop performance

Also fixes performance offences in non-production code

1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 12bd9780..734b9087 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,7 @@ gemspec
 group :development, :test do
   gem 'rubocop', '~> 1.50.2'
   gem 'rubocop-minitest', '~> 0.30.0'
+  gem 'rubocop-performance', '~> 1.17.1'
 end
 
 group :test do