chore: update Iterable-iOS-SDK dependency to version 6.6.7 and upgrade Swift version to 5.3

Author: lposen

Iterable-React-Native-SDK.podspec

@@ -17,13 +17,13 @@ Pod::Spec.new do |s|
   s.private_header_files = "ios/**/*.h"
 
   # Load Iterables iOS SDK as a dependency
-  s.dependency "Iterable-iOS-SDK", "6.6.5"
+  s.dependency "Iterable-iOS-SDK", "6.6.7"
 
   # Basic Swift support
   s.pod_target_xcconfig = {
     'DEFINES_MODULE'      => 'YES',
     'CLANG_ENABLE_MODULES' => 'YES',
-    'SWIFT_VERSION'       => '5.0',
+    'SWIFT_VERSION'       => '5.3',
     'SWIFT_OBJC_INTERFACE_HEADER_NAME' => 'Iterable_React_Native_SDK-Swift.h',
     "CLANG_CXX_LANGUAGE_STANDARD" => rct_cxx_language_standard(),
   }

example/ios/Podfile

@@ -19,9 +19,6 @@ end
 target 'ReactNativeSdkExample' do
   config = use_native_modules!
 
-  # Override iOS SDK with local path for testing
-  #pod 'Iterable-iOS-SDK', :git => 'https://github.com/Iterable/iterable-swift-sdk', :branch => 'fix/SDK-290-Export-iOS-sdk-header-file'
-  pod 'Iterable-iOS-SDK', :path => '../../../iterable-swift-sdk'
   use_react_native!(
     :path => config[:reactNativePath],
     # An absolute path to your application root.