Upgrade podspec

Author: guykogus

CodableJSON.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'CodableJSON'
-  s.version = '2.0.2'
+  s.version = '3.0.0'
   s.summary = 'JSON in Swift - the way it should be'
   s.description = <<-DESC
   Simplify the way that you use JSON objects.
@@ -11,12 +11,12 @@ Pod::Spec.new do |s|
   s.authors = { 'Guy Kogus' => 'guy.kogus@gmail.com' }
   s.documentation_url = 'http://www.json.org'
 
-  s.ios.deployment_target = '9.0'
-  s.osx.deployment_target = '10.9'
-  s.tvos.deployment_target = '9.0'
-  s.watchos.deployment_target = '2.0'
+  s.ios.deployment_target = '12.0'
+  s.osx.deployment_target = '10.13'
+  s.tvos.deployment_target = '12.0'
+  s.watchos.deployment_target = '4.0'
 
-  s.swift_version = '5.0'
+  s.swift_version = '5.8'
   s.source = { git: 'https://github.com/guykogus/CodableJSON.git', tag: s.version.to_s }
   s.source_files = 'CodableJSON/*.swift'
 end