Update rubocop-performance requirement from ~> 1.21.0 to ~> 1.23.0 (#224

)

Updates the requirements on [rubocop-performance](https://github.com/rubocop/rubocop-performance) to permit the latest version.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.21.0...v1.23.0)

---
updated-dependencies:
- dependency-name: rubocop-performance
  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

@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
   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-performance', '~> 1.21.0'
+  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'
   s.add_development_dependency 'simplecov', '~> 0.21'