Merge pull request #517 from zipmark/dependabot/bundler/rack-oauth2-tw-1.12.0

Update rack-oauth2 requirement from ~> 1.2.2 to ~> 1.12.0 [ci skip]

Author: bf4

rspec_api_documentation.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "capybara", "~> 2.6.2"
   s.add_development_dependency "rake", "~> 10.5.0"
   s.add_development_dependency "rack-test", "~> 0.6.3"
-  s.add_development_dependency "rack-oauth2", "~> 1.2.2"
+  s.add_development_dependency "rack-oauth2", "~> 1.12.0"
   s.add_development_dependency "webmock", "~> 3.8.3"
   s.add_development_dependency "rspec-its", "~> 1.2.0"
   s.add_development_dependency "faraday", "~> 0.9.2"