Update rubocop-rails requirement from ~> 2.26.1 to ~> 2.27.0

Updates the requirements on [rubocop-rails](https://github.com/rubocop/rubocop-rails) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.26.1...v2.27.0)

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

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

cloudflare-rails.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec-rails', '~> 7.0.1'
   spec.add_development_dependency 'rubocop', '~> 1.67.0'
   spec.add_development_dependency 'rubocop-performance', '~> 1.22.1'
-  spec.add_development_dependency 'rubocop-rails', '~> 2.26.1'
+  spec.add_development_dependency 'rubocop-rails', '~> 2.27.0'
   spec.add_development_dependency 'rubocop-rspec', '~> 3.1.0'
   spec.add_development_dependency 'webmock', '~> 3.24.0'
   spec.add_dependency 'actionpack', '>= 7.1.0', '< 8.1.0'