Enhancements:
- Rubygems: Fix Gem::Request for PQC support, adding integration connection tests. Pull request #9615 by junaruga
- Reduce peak memory usage of full index loading and bundle install. Pull request #9618 by hsbt
- Installs bundler 4.0.15 as a default gem.
Bug fixes:
- Forward security policy to old-format gems. Pull request #9611 by hsbt