ruby/rubygems v3.3.4

on GitHub

Enhancements:

• Don't redownload rubygems-update package if already there. Pull
  request #5230 by deivid-rodriguez
• Installs bundler 2.3.4 as a default gem.

Bug fixes:

• Fix gem update --system crashing when latest version not supported.
  Pull request #5191 by deivid-rodriguez

Performance:

• Make SpecificationPolicy autoload constant. Pull request #5222 by pocke