chore(deps): update rake requirement from ~> 13.1.0 to ~> 13.2.1

Updates the requirements on [rake](https://github.com/ruby/rake) to permit the latest version.
- [Release notes](https://github.com/ruby/rake/releases)
- [Changelog](https://github.com/ruby/rake/blob/master/History.rdoc)
- [Commits](ruby/rake@v13.1.0...v13.2.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

graphql-client.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "erubi", "~> 1.6"
   s.add_development_dependency "erubis", "~> 2.7"
   s.add_development_dependency "minitest", "~> 5.9"
-  s.add_development_dependency "rake", "~> 13.1.0"
+  s.add_development_dependency "rake", "~> 13.2.1"
   s.add_development_dependency "rubocop-github"
   s.add_development_dependency "rubocop", "~> 1.64.1"