bump tvos version

Author: nuclearace

Socket.IO-Client-Swift.podspec

@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.author       = { "Erik" => "[email protected]" }
   s.ios.deployment_target = '11.0'
   s.osx.deployment_target = '10.13'
-  s.tvos.deployment_target = '10.0'
+  s.tvos.deployment_target = '12.0'
   s.watchos.deployment_target = '5.0'
   s.requires_arc = true
   s.source = {