Update rubocop requirement from ~> 1.71.0 to ~> 1.72.0

Updates the requirements on [rubocop](https://github.com/rubocop/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.71.0...v1.72.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
...

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

Gemfile

@@ -5,5 +5,5 @@ gemspec
 group :development, :test do
   gem 'rake', '~> 13.2.0'
   gem 'pry-byebug'
-  gem 'rubocop', '~> 1.71.0'
+  gem 'rubocop', '~> 1.72.0'
 end