updating Result dependency in ReactiveSwift.podspec to 4.0'

Author: mishagray

ReactiveSwift.podspec

@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/ReactiveCocoa/ReactiveSwift.git", :tag => "#{s.version}" }
   # Directory glob for all Swift files
   s.source_files  = "Sources/*.{swift}"
-  s.dependency 'Result', '~> 3.2'
+  s.dependency 'Result', '~> 4.0'
 
   s.pod_target_xcconfig = {"OTHER_SWIFT_FLAGS[config=Release]" => "$(inherited) -suppress-warnings" }
 end