Bumped watch os version to support new Moya.

Author: bmoliveira

Moya-ObjectMapper.podspec

@@ -15,7 +15,7 @@ Pod::Spec.new do |s|
   s.social_media_url   = "http://twitter.com/ivanbruel"
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.10'
-  s.watchos.deployment_target = '2.0'
+  s.watchos.deployment_target = '3.0'
   s.tvos.deployment_target = '9.0'
   s.source       = { :git => "https://github.com/bmoliveira/Moya-ObjectMapper.git", :tag => s.version }
   s.default_subspec = "Core"