Update podspec requirements

Author: farshadtx

README.md

@@ -53,8 +53,8 @@ Open the project located in [`ExampleApp/`](ExampleApp/) with Xcode and build/ru
 
 ## Requirements
 
-* Xcode 9
-* Swift 4
+* Xcode 11
+* Swift 5
 
 ## Installation
 

RxSwiftUtilities.podspec

@@ -8,11 +8,11 @@ Helpful classes and extensions for RxSwift which don't belong in RxSwift core.
   s.homepage     = "https://github.com/RxSwiftCommunity/RxSwiftUtilities"
   s.license      = { :type => "MIT", :file => "LICENSE.md" }
   s.author       = { "Jesse Farless" => "[email protected]" }
-  s.swift_version = "4.2"
+  s.swift_version = "5.0"
   s.ios.deployment_target = "8.0"
   s.osx.deployment_target = "10.10"
   s.tvos.deployment_target = "9.0"
-  s.watchos.deployment_target = "2.0"
+  s.watchos.deployment_target = "3.0"
   s.source       = { :git => "https://github.com/RxSwiftCommunity/RxSwiftUtilities.git", :tag => "#{s.version}" }
   s.source_files = 'Source/Common/*.swift'
   s.ios.source_files = 'Source/iOS/*.swift'