Update Rubocop Rails to 2.31 (#42044).

git-svn-id: https://svn.redmine.org/redmine/trunk@23640 e93f8b46-1217-0410-a6f0-8f06a7374b81

.rubocop.yml

@@ -17,13 +17,9 @@ AllCops:
     - '**/files/**/*'
     - 'db/schema.rb'
 
-# Enable extensions
-
-require:
-  - rubocop-rails
-
 plugins:
   - rubocop-performance
+  - rubocop-rails
 
 # Rules for Redmine
 

.rubocop_todo.yml

@@ -565,12 +565,6 @@ Rails/RedundantTravelBack:
     - 'test/integration/sudo_mode_test.rb'
     - 'test/system/sudo_mode_test.rb'
 
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Rails/ReflectionClassName:
-  Exclude:
-    - 'lib/redmine/nested_set/issue_nested_set.rb'
-    - 'lib/redmine/nested_set/project_nested_set.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, Include.
 # SupportedStyles: assert_not, refute

Gemfile

@@ -113,7 +113,7 @@ group :test do
   # RuboCop
   gem 'rubocop', '~> 1.75.2', require: false
   gem 'rubocop-performance', '~> 1.25.0', require: false
-  gem 'rubocop-rails', '~> 2.29.0', require: false
+  gem 'rubocop-rails', '~> 2.31.0', require: false
   gem 'bundle-audit', require: false
 end