ios build: Fix Xcode 15 build issue by taking RN Ruby script patch

RN merged this fix in main in facebook/react-native@10d55888c, but I
made this patch from their v0.69 cherry-pick to get a smaller diff;
that's facebook/react-native@37e8df1cd.

patches/react-native+0.68.7.patch

@@ -0,0 +1,29 @@
+diff --git a/node_modules/react-native/scripts/react_native_pods.rb b/node_modules/react-native/scripts/react_native_pods.rb
+index f2ceeda..c618f77 100644
+--- a/node_modules/react-native/scripts/react_native_pods.rb
++++ b/node_modules/react-native/scripts/react_native_pods.rb
+@@ -254,6 +254,7 @@ def react_native_post_install(installer)
+     cpp_flags = NEW_ARCH_OTHER_CPLUSPLUSFLAGS
+   end
+   modify_flags_for_new_architecture(installer, cpp_flags)
++  apply_xcode_15_patch(installer)
+
+ end
+
+@@ -661,3 +662,16 @@ def __apply_Xcode_12_5_M1_post_install_workaround(installer)
+   time_header = "#{Pod::Config.instance.installation_root.to_s}/Pods/RCT-Folly/folly/portability/Time.h"
+   `sed -i -e  $'s/ && (__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0)//' #{time_header}`
+ end
++
++# Fix to build react native on Xcode 15 beta 1
++def apply_xcode_15_patch(installer)
++  installer.target_installation_results.pod_target_installation_results
++      .each do |pod_name, target_installation_result|
++          target_installation_result.native_target.build_configurations.each do |config|
++              # unary_function and binary_function are no longer provided in C++17 and newer standard modes as part of Xcode 15. They can be re-enabled with setting _LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION
++              # Ref: https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes#Deprecations
++              config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= '$(inherited) '
++              config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << '"_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION" '
++      end
++  end
++end