Update rubocop requirement from ~> 1.68.0 to ~> 1.69.0 (#226)

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@v1.68.0...v1.69.0)

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

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

site_prism.gemspec

@@ -30,7 +30,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'automation_helpers', '~> 4.0'
   s.add_development_dependency 'cucumber', '> 7', '< 10'
   s.add_development_dependency 'rspec', '~> 3.12'
-  s.add_development_dependency 'rubocop', '~> 1.68.0'
+  s.add_development_dependency 'rubocop', '~> 1.69.0'
   s.add_development_dependency 'rubocop-performance', '~> 1.23.0'
   s.add_development_dependency 'rubocop-rspec', '~> 3.2.0'
   s.add_development_dependency 'selenium-webdriver', '~> 4.7'