Update AmplifyRTNCore.podspec (aws-amplify#14493)

Author: sharifhh

packages/react-native/AmplifyRTNCore.podspec

@@ -18,18 +18,24 @@ Pod::Spec.new do |s|
 
   s.dependency "React-Core"
 
-  # Don't install the dependencies when we run `pod install` in the old architecture.
-  if ENV['RCT_NEW_ARCH_ENABLED'] == '1' then
-    s.compiler_flags = folly_compiler_flags + " -DRCT_NEW_ARCH_ENABLED=1"
-    s.pod_target_xcconfig    = {
-        "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/boost\"",
-        "OTHER_CPLUSPLUSFLAGS" => "-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1",
-        "CLANG_CXX_LANGUAGE_STANDARD" => "c++17"
-    }
-    s.dependency "React-Codegen"
-    s.dependency "RCT-Folly"
-    s.dependency "RCTRequired"
-    s.dependency "RCTTypeSafety"
-    s.dependency "ReactCommon/turbomodule/core"
+  # Use install_modules_dependencies helper to install the dependencies if React Native version >=0.71.0.
+  # See https://github.com/facebook/react-native/blob/febf6b7f33fdb4904669f99d795eba4c0f95d7bf/scripts/cocoapods/new_architecture.rb#L79.
+  if respond_to?(:install_modules_dependencies, true)
+    install_modules_dependencies(s)
+  else
+    # Don't install the dependencies when we run `pod install` in the old architecture.
+    if ENV['RCT_NEW_ARCH_ENABLED'] == '1' then
+      s.compiler_flags = folly_compiler_flags + " -DRCT_NEW_ARCH_ENABLED=1"
+      s.pod_target_xcconfig    = {
+          "HEADER_SEARCH_PATHS" => "\"$(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"
+      s.dependency "RCTRequired"
+      s.dependency "RCTTypeSafety"
+      s.dependency "ReactCommon/turbomodule/core"
+    end
   end
 end