(maint) Use packaged libxml to build nokogiri on MacOS

This PR changes the gem install command for the Nokogiri gem.
Currently when building nokogiri it uses the system libxml2 and libxslt.
We now will pass in an option in the `gem install` command to use the expected
libraries.

configs/components/_base-rubygem.rb

@@ -37,6 +37,8 @@
 pkg.url("https://rubygems.org/downloads/#{name}-#{version}.gem")
 pkg.mirror("#{settings[:buildsources_url]}/#{name}-#{version}.gem")
 
-pkg.install do
-  "#{settings[:gem_install]} #{name}-#{version}.gem"
-end
+unless name =~ /nokogiri/
+  pkg.install do
+    "#{settings[:gem_install]} #{name}-#{version}.gem"
+  end
+end

configs/components/rubygem-nokogiri.rb

@@ -7,12 +7,15 @@
 
   gem_home = settings[:gem_home]
   pkg.environment "GEM_HOME", gem_home
-
-  # When cross compiling nokogiri native extensions on macOS 11/12 ARM, there is a 94M tmp
-  # directory that's not needed
-  if platform.is_macos? && platform.architecture == 'arm64'
-    install do
-      "rm -r #{gem_home}/gems/nokogiri-#{pkg.get_version}/ext/nokogiri/tmp"
+  if platform.is_macos?
+    pkg.environment "PKG_CONFIG_PATH", "#{settings[:libdir]}/pkgconfig"
+    pkg.install do
+      "#{settings[:gem_install]} nokogiri --platform=ruby -- --use-system-libraries --with-opt-dir=/opt/puppetlabs/puppet"
+    end
+    if platform.is_cross_compiled?
+      pkg.install do
+        "rm -r #{gem_home}/gems/nokogiri-#{pkg.get_version}/ext/nokogiri/tmp"
+      end
     end
   end
 end