Add rake as a development dependency (#423)

The rubygems/release-gem action requires rake to be in the bundle
since it runs `bundle exec rake release`. This was missing, which
caused the v5.31.1 publish to RubyGems to fail.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: gjtorikian

Gemfile.lock

@@ -30,6 +30,7 @@ GEM
     public_suffix (5.0.4)
     racc (1.8.1)
     rainbow (3.1.1)
+    rake (13.3.1)
     regexp_parser (2.10.0)
     rexml (3.4.2)
     rspec (3.9.0)
@@ -73,6 +74,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (>= 2.0.1)
+  rake
   rspec (~> 3.9.0)
   rubocop (~> 1.71)
   vcr (~> 6.0)

workos.gemspec

@@ -25,6 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'jwt', '~> 2.8'
 
   spec.add_development_dependency 'bundler', '>= 2.0.1'
+  spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec', '~> 3.9.0'
   spec.add_development_dependency 'rubocop', '~> 1.71'
   spec.add_development_dependency 'vcr', '~> 6.0'