update faraday dependency to newest version

meal · meal · commit cfa363a84068 · 2019-09-06T11:36:49.000+02:00
diff --git a/github_api.gemspec b/github_api.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency 'addressable', '~> 2.4'
   gem.add_dependency 'hashie',      '~> 3.5', '>= 3.5.2'
-  gem.add_dependency 'faraday',     '~> 0.14'
+  gem.add_dependency 'faraday',     '~> 0.15'
   gem.add_dependency 'oauth2',      '~> 1.0'
   gem.add_dependency 'descendants_tracker', '~> 0.0.4'
 
