Add PostgreSQL 14 builds

What does this MR do?

Adds postgres 14 to the builds in order to test our support of it.

Related issues

• Relates to:
  • Research spike: Adding support for PG14 (#7396 - closed)
  • Update the default postgresql to PG 13 or 14 (gitlab-org/charts/gitlab#4118 - closed)
  • Remove PostgreSQL 12 from Omnibus (#7395 - closed)
  • Add postgres removal warning for PG12 in GitLab... (#7394 - closed)
• Closes #7702 (closed)

Checklist

See Definition of done.

For anything in this list which will not be completed, please provide a reason in the MR discussion

Required

• Merge Request Title, and Description are up to date, accurate, and descriptive
• MR targeting the appropriate branch
• MR has a green pipeline on GitLab.com
• Pipeline is green on dev.gitlab.org if the change is touching anything besides documentation or internal cookbooks
• trigger-package has a green pipeline running against latest commit

Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Tests added
• Integration tests added to GitLab QA
• Equivalent MR/issue for the GitLab Chart opened

config/software/gitlab-rails.rb

@@ -132,24 +132,12 @@ build do
     end
   end
 
-  # One of our gems, google-protobuf is known to have issues with older gcc versions
-  # when using the pre-built extensions. We will remove it and rebuild it here.
-  block 'reinstall google-protobuf gem' do
-    require 'fileutils'
-
-    unless OhaiHelper.ruby_native_gems_unsupported?
-      current_gem = shellout!("#{embedded_bin('bundle')} show | grep google-protobuf", env: env).stdout
-      protobuf_version = current_gem[/google-protobuf \((.*)\)/, 1]
-      shellout!("#{embedded_bin('gem')} uninstall --force google-protobuf", env: env)
-      shellout!("#{embedded_bin('gem')} install google-protobuf --version #{protobuf_version} --platform=ruby", env: env)
-    end
-  end
-
   block 'delete unneeded precompiled shared libraries' do
     next if OhaiHelper.ruby_native_gems_unsupported?
 
     ruby_ver = shellout!("#{embedded_bin('ruby')} -e 'puts RUBY_VERSION.match(/\\d+\\.\\d+/)[0]'", env: env).stdout.chomp
     gem_paths = {
+      'google-protobuf' => 'lib/google',
       'grpc' => 'src/ruby/lib/grpc',
       'prometheus-client-mmap' => 'lib',
       'nokogiri' => 'lib'