chore: Add rubocop plugins

Author: danielolivaresd

.rubocop.yml

@@ -1,3 +1,8 @@
+plugins:
+  - rubocop-performance
+  - rubocop-rake
+  - rubocop-rspec
+
 AllCops:
   TargetRubyVersion: 3.1
   NewCops: enable

Gemfile

@@ -9,3 +9,6 @@ gem 'irb'
 gem 'rake', '~> 13.0'
 gem 'rspec', '~> 3.0'
 gem 'rubocop', '~> 1.21'
+gem 'rubocop-performance', '~> 1.25'
+gem 'rubocop-rake', '~> 0.7.1'
+gem 'rubocop-rspec', '~> 3.6'

Gemfile.lock

@@ -65,6 +65,16 @@ GEM
     rubocop-ast (1.45.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
+    rubocop-performance (1.25.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    rubocop-rake (0.7.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1)
+    rubocop-rspec (3.6.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
     ruby-progressbar (1.13.0)
     stringio (3.1.7)
     unicode-display_width (3.1.4)
@@ -81,6 +91,9 @@ DEPENDENCIES
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 1.21)
+  rubocop-performance (~> 1.25)
+  rubocop-rake (~> 0.7.1)
+  rubocop-rspec (~> 3.6)
 
 BUNDLED WITH
    2.6.9

spec/devise/code_confirmable_spec.rb

@@ -2,6 +2,6 @@
 
 RSpec.describe Devise::CodeConfirmable do
   it 'has a version number' do
-    expect(Devise::CodeConfirmable::VERSION).not_to be nil
+    expect(Devise::CodeConfirmable::VERSION).not_to be_nil
   end
 end