v0.12.0: iOS updates

Author: birdofpreyru

dr-pogodin-react-native-static-server.podspec

@@ -101,7 +101,6 @@ Pod::Spec.new do |s|
     s.pod_target_xcconfig    = {
         "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/boost\"",
         "OTHER_CPLUSPLUSFLAGS" => "-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1",
-        "CLANG_CXX_LANGUAGE_STANDARD" => "c++17"
     }
     s.dependency "React-Codegen"
     s.dependency "RCT-Folly"
@@ -112,6 +111,7 @@ Pod::Spec.new do |s|
   end
 
   s.pod_target_xcconfig    = {
+    "CLANG_CXX_LANGUAGE_STANDARD" => "c++20",
     "OTHER_LIBTOOLFLAGS" => $libToolFlags
   }
 end