Bump test-unit from 3.6.2 to 3.6.4 in /gemfiles/truffleruby#3268

eileencodes merged 1 commit intomainruby/prism:mainfrom

dependabot/bundler/gemfiles/truffleruby/test-unit-3.6.4ruby/prism:dependabot/bundler/gemfiles/truffleruby/test-unit-3.6.4Copy head branch name to clipboard