Bump rubocop-performance from 1.14.3 to 1.19.0

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.14.3 to 1.19.0.
- [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/v1.14.3...v1.19.0)

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

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

Gemfile

@@ -107,7 +107,7 @@ group :development do
   gem "pronto-rubocop", "~> 0.11.5", require: false
   gem "pronto-scss", "~> 0.11.0", require: false
   gem "rubocop", "~> 1.35.1", require: false
-  gem "rubocop-performance", "~> 1.14.3", require: false
+  gem "rubocop-performance", "~> 1.19.0", require: false
   gem "rubocop-rails", "~> 2.15.2", require: false
   gem "rubocop-rspec", "~> 2.4.0", require: false
   gem "rvm1-capistrano3", "~> 1.4.0", require: false

Gemfile.lock

@@ -525,7 +525,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.29.0)
       parser (>= 3.2.1.0)
-    rubocop-performance (1.14.3)
+    rubocop-performance (1.19.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.15.2)
@@ -741,7 +741,7 @@ DEPENDENCIES
   ros-apartment (~> 2.11.0)
   rspec-rails (~> 5.1.2)
   rubocop (~> 1.35.1)
-  rubocop-performance (~> 1.14.3)
+  rubocop-performance (~> 1.19.0)
   rubocop-rails (~> 2.15.2)
   rubocop-rspec (~> 2.4.0)
   rvm1-capistrano3 (~> 1.4.0)