Bump rubocop-performance from 1.11.5 to 1.12.0 (#15251)

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.11.5 to 1.12.0.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop-performance/compare/v1.11.5...v1.12.0)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

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

Gemfile

@@ -146,7 +146,7 @@ group :development, :test do
   gem "pry-rails", "~> 0.3" # Use Pry as your rails console
   gem "rspec-rails", "~> 5.0" # rspec-rails is a testing framework for Rails 3+
   gem "rubocop", "~> 1.22", require: false # Automatic Ruby code style checking tool
-  gem "rubocop-performance", "~> 1.11", require: false # A collection of RuboCop cops to check for performance optimizations in Ruby code
+  gem "rubocop-performance", "~> 1.12", require: false # A collection of RuboCop cops to check for performance optimizations in Ruby code
   gem "rubocop-rails", "~> 2.12", require: false # Automatic Rails code style checking tool
   gem "rubocop-rspec", "~> 2.5", require: false # Code style checking for RSpec files
   gem "sassc-rails", "~> 2.1.2" # Integrate SassC-Ruby into Rails

Gemfile.lock

@@ -694,7 +694,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.12.0)
       parser (>= 3.0.1.1)
-    rubocop-performance (1.11.5)
+    rubocop-performance (1.12.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.12.4)
@@ -996,7 +996,7 @@ DEPENDENCIES
   rspec-retry (~> 0.6)
   rss (~> 0.2.9)
   rubocop (~> 1.22)
-  rubocop-performance (~> 1.11)
+  rubocop-performance (~> 1.12)
   rubocop-rails (~> 2.12)
   rubocop-rspec (~> 2.5)
   ruby-prof (~> 1.4)