[macOS] Implement new directories hierarchy (#8741)

images/macos/scripts/build/rubygem.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -e -o pipefail
+source ~/utils/utils.sh
+
+echo Updating RubyGems...
+gem update --system
+
+# Temporarily install activesupport 7.0.8 due to compatibility issues with cocoapods https://github.com/CocoaPods/CocoaPods/issues/12081
+gem install activesupport -v 7.0.8
+
+gemsToInstall=$(get_toolset_value '.ruby.rubygems | .[]')
+if [ -n "$gemsToInstall" ]; then
+    for gem in $gemsToInstall; do
+        echo "Installing gem $gem"
+        gem install $gem
+    done
+fi
+
+invoke_tests "RubyGem"