Update rubocop-performance requirement from ~> 1.23.1 to ~> 1.25.0 (#194)

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@v1.23.1...v1.25.0)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-version: 1.25.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

cloudflare-rails.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec', '~> 3.13.0'
   spec.add_development_dependency 'rspec-rails', '~> 7.1.1'
   spec.add_development_dependency 'rubocop', '~> 1.75.2'
-  spec.add_development_dependency 'rubocop-performance', '~> 1.23.1'
+  spec.add_development_dependency 'rubocop-performance', '~> 1.25.0'
   spec.add_development_dependency 'rubocop-rails', '~> 2.31.0'
   spec.add_development_dependency 'rubocop-rspec', '~> 3.6.0'
   spec.add_development_dependency 'webmock', '~> 3.25.0'