Add rubocop-performance

.rubocop.yml

@@ -5,6 +5,7 @@ require:
   - ./lib_static/rubocop/cop/open_project/use_service_result_factory_methods.rb
   - rubocop-capybara
   - rubocop-factory_bot
+  - rubocop-performance
 
 <% if File.exist?('.rubocop-local.yml') %>
 inherit_from:

Gemfile

@@ -308,6 +308,7 @@ group :development, :test do
   gem 'rubocop', require: false
   gem 'rubocop-rails', require: false
   gem 'rubocop-rspec', require: false
+  gem 'rubocop-performance', require: false
 
   # Brakeman scanner
   gem 'brakeman', '~> 6.0.0'

Gemfile.lock

@@ -858,6 +858,9 @@ GEM
       rubocop (~> 1.41)
     rubocop-factory_bot (2.23.1)
       rubocop (~> 1.33)
+    rubocop-performance (1.19.0)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
     rubocop-rails (2.20.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
@@ -1135,6 +1138,7 @@ DEPENDENCIES
   rspec-rails (~> 6.0.0)
   rspec-retry (~> 0.6.1)
   rubocop
+  rubocop-performance
   rubocop-rails
   rubocop-rspec
   ruby-duration (~> 3.2.0)