Bump rubocop from 1.11.0 to 1.12.0 (#13123)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.11.0 to 1.12.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.11.0...v1.12.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -148,7 +148,7 @@ group :development, :test do
   gem "knapsack_pro", "~> 2.11.0" # Help parallelize Ruby spec builds
   gem "pry-byebug", "~> 3.8" # Combine 'pry' with 'byebug'. Adds 'step', 'next', 'finish', 'continue' and 'break' commands to control execution
   gem "rspec-rails", "~> 5.0" # rspec-rails is a testing framework for Rails 3+
-  gem "rubocop", "~> 1.11", require: false # Automatic Ruby code style checking tool
+  gem "rubocop", "~> 1.12", require: false # Automatic Ruby code style checking tool
   gem "rubocop-performance", "~> 1.10", require: false # A collection of RuboCop cops to check for performance optimizations in Ruby code
   gem "rubocop-rails", "~> 2.9", require: false # Automatic Rails code style checking tool
   gem "rubocop-rspec", "~> 2.2", require: false # Code style checking for RSpec files

Gemfile.lock

@@ -671,7 +671,7 @@ GEM
     rspec-retry (0.6.2)
       rspec-core (> 3.3)
     rspec-support (3.10.2)
-    rubocop (1.11.0)
+    rubocop (1.12.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -971,7 +971,7 @@ DEPENDENCIES
   rpush-redis (~> 1.1)
   rspec-rails (~> 5.0)
   rspec-retry (~> 0.6)
-  rubocop (~> 1.11)
+  rubocop (~> 1.12)
   rubocop-performance (~> 1.10)
   rubocop-rails (~> 2.9)
   rubocop-rspec (~> 2.2)